- Open Access
Sharing public health data and information across borders: lessons from Southeast Asia
© The Author(s). 2018
- Received: 16 August 2018
- Accepted: 19 September 2018
- Published: 29 September 2018
The importance of data and information sharing for the prevention and control of infectious diseases has long been recognised. In recent years, public health emergencies such as avian influenza, drug-resistant malaria, and Ebola have brought renewed attention to the need for effective communication channels between health authorities, particularly in regional contexts where neighbouring countries share common health threats. However, little empirical research has been conducted to date to explore the range of factors that may affect the transfer, exchange, and use of public health data and expertise across borders, especially in developing contexts.
To explore these issues, 60 interviews were conducted with domestic and international stakeholders in Cambodia and Vietnam, selected amongst those who were involved in regional public health programmes and networks. Data analysis was structured around three categories mapped across the dataset: (1) the nature of shared data and information; (2) the nature of communication channels; and (3) how information flow may be affected by the local, regional, and global system of rules and arrangements.
There has been a great intensification in the circulation of data, information, and expertise across borders in Southeast Asia. However, findings from this study document ways in which the movement of data and information from production sites to other places can be challenging due to different standards and practices, language barriers, different national structures and rules that govern the circulation of health information inside and outside countries, imbalances in capacities and power, and sustainability of financing arrangements.
Our study highlights the complex socio-technical nature of data and information sharing, suggesting that best practices require significant involvement of an independent third-party brokering organisation or office, which can redress imbalances between country partners at different levels in the data sharing process, create meaningful communication channels and make the most of shared information and data sets.
- International health regulations
- Infectious disease surveillance
- Health data and information sharing
- Southeast Asia
- Health information systems
- Regional health cooperation
It has long been recognised that “diseases know no borders” and have the potential to spread across vast geographic spaces, particularly in regions where similar epidemiological profiles, socio-economic drivers, and frequent movements of people or animal carriers facilitate disease transmission and persistence. The Ebola epidemic in West Africa (2013–2016) is a prime example of a regional health crisis, exacerbated by the mobility of infected patients across the porous borders of Guinea, Liberia, and Sierra Leone [1, 2]. Other examples of diseases which present a strong cross-border dimension include malaria and artemisinin-resistant malaria in Southeast Asia [3, 4], cholera in Sub-Saharan Africa , Zika in Latin America , avian influenza in Southeast Asia  and diseases that receive less global health attention such as onchocerciasis  and Japanese encephalitis . In such contexts, the development of effective communication channels between health authorities and other stakeholders within and between countries is thought to be crucial to enable effective responses in emergency situations as well as routine surveillance of endemic diseases, sustain progress towards disease elimination, and inform policy development through the exchange of data, information and expertise [8, 10]. In recognition of this, the World Health Organization (WHO) and other global health actors have issued recommendations and guidelines to promote closer links between regional partners [11, 12]. Notably, the International Health Regulations (2005) encourage “bilateral or multilateral agreements or arrangements” in cross-border regions to enable collective action, including “the direct and rapid exchange of public health information between neighbouring territories of different States” (Article 57). In keeping with these recommendations, regional public health initiatives have been established in several parts of the world to facilitate data and information exchange. In Europe, disease surveillance networks have been in operation since the 1980s and are currently integrated and managed under The European Surveillance System (TESSy), a web-based technical platform which collects and disseminates national surveillance data from all European Union (EU) and European Economic Area (EEA) countries using standardized formats . From the 1990s, bilateral and regional public health networks or programmes have also been established in low- and middle-income contexts, including in Africa , Southeast Asia [15–17], the Middle East [18, 19], and South America . In addition to their public health value, these initiatives are an important illustration of the emergence and strengthening of South-South cooperation, understood as “a process whereby two or more developing countries pursue their individual or collective development through cooperative exchange of knowledge, skills, resources and technical expertise” .
Yet these processes have occurred amidst increasing awareness that international health cooperation is challenging. While good practices and outcomes have been reported [15, 19, 22], studies informed by political and institutional perspectives have identified constraints to the achievement of meaningful and effective cooperation, given the divisive force of state politics and interests, gaps in domestic capacities, and weaknesses in institutional frameworks to support collective action amongst regional partners [23–25]. In the public health literature, extensive lists of barriers have also been generated to map constraints to health data and information sharing within and across countries . For example, van Panhuis and colleagues identified 20 potential barriers across technical, motivational, economic, political, legal and ethical domains . However, as found in the same review, little empirical research has been conducted to date to explore these issues in a systematic way. Further, most contributions have been normative in nature or focused solely on institutional and policy developments, with scant integration of qualitative evidence from the field, especially in developing contexts. A number of qualitative studies of health data sharing have been conducted [28–30], but these have focused on researchers and research data, not on health officers, implementers and data from national health information systems.
Considering this gap in knowledge, we present and analyse here findings from an exploratory qualitative study of regional health cooperation in Southeast Asia, with a focus on issues and challenges that may influence health data and information sharing. In the wake of recent regional health emergencies, such as avian influenza H5N1, severe acute respiratory syndrome (SARS), and artemisinin-resistant malaria, several programmes have been developed in the region to share epidemiological data and expertise between national health authorities and practitioners, and develop an integrated approach to address common health problems. The collection of views and experiences from participants who have been involved in these initiatives provides a unique insight to better understand the practice of South-South health data sharing in a context characterized by imbalances between more and less resourced countries. After the description of methods, the result section summarises findings from interviews with key informants. Reflecting on research findings, the discussion elaborates on institutional and organisational arrangements that are likely to promote the establishment of effective and meaningful public health networks in Southeast Asia as in other contexts.
Examples of regional public health programmes in Southeast Asia
ASEAN + 3 EID Programme
Infectious diseases (horizontal)
Surveillance, capacity building, research, policy analysis, training
Indonesia, Malaysia, the Philippines, Singapore, Thailand, Brunei, Myanmar, Cambodia, Laos, Vietnam, China, Japan, Korea.
Emergency Response to Artemisinin Resistance (ERAR) in the Greater Mekong Subregion
Drug surveillance, health service delivery, capacity building, data and knowledge sharing
WHO (Country Office Cambodia)
Cambodia, China, Lao PDR, Myanmar, Thailand, Vietnam
Greater Mekong Subregion Communicable Disease Control Project (GMS-CDC)
Infectious diseases (horizontal)
Surveillance, capacity building, training, information sharing
Asian Development Bank
Regional Coordination Unit, Vientiane
Cambodia, Laos, Vietnam
Greater Mekong Subregion Malaria Control Project (CAP-Malaria)
Training, health promotion, health service delivery, data and knowledge sharing
University Research Co.
Cambodia, Myanmar, Thailand
Lao PDR-Cambodia One Health Surveillance and Laboratory Network (LACANET)
Infectious diseases (horizontal)
Surveillance, data and knowledge sharing, capacity buidling (laboratory), research
Cambodia, Lao PDR
Mekong Basin Disease Surveillance Project (MBDS)
1999-ongoing as a foundation
Infectious diseases (horizontal)
Surveillance, training, capacity building, information sharing
MBDS Office, Bangkok
Cambodia, China, Laos, Myanmar, Thailand, Vietnam
Stop Transboundary Animal Disease & Zoonoses (STANDZ)
Animal diseases and zoonoses
Surveillance, preparedness, training, research, health promotion, data and knowledge sharing
Government of Australia (DFAT)
World Organisation for Animal Health (OIE)
Surveillance, preparedness, training, research, health promotion, data and knowledge sharing
Regional HIV/AIDS Data Hub
Institutional development, data sharing
The sharing of data, information, and expertise between country partners has been a key feature in most initiatives. Sub-regional networks such as the ADB-sponsored Greater Mekong Subregion Communicable Disease Control project (GMS-CDC) or the Mekong Basin Disease Surveillance (MBDS) network have appointed contact persons at selected border provinces, who are required to e-mail standard forms to their counterparts in the neighbouring country, including information on cumulative number of cases and deaths, outbreak location, and presumptive causes of disease outbreaks. In both networks, data sharing schedules are tailored to different epidemiological and risk profiles: outbreaks of emergency diseases such as H5N1, cholera and SARS must be communicated to the WHO and the neighbouring province within 24 h, while the data sharing schedule for endemic diseases such as malaria, TB, or HIV is more relaxed (i.e. monthly or quarterly). Data sharing activities have also been included in vertical programmes for disease control. From the 1990s, various efforts to build a regional malaria database have been made  and revived as part of the current strategy of malaria elimination in the GMS. Another example is the AIDS Data Hub, based in Bangkok, which collects and publishes HIV/AIDS regional data by scanning published literature and web sites, and receiving data from a network of country partners .
Data collection and analysis
Data collection for this project primarily involved key informant interviews, conducted in Cambodia and Vietnam, between January and April 2016, to capture diversity and similarities in health and surveillance systems, while relying on strong professional links between the researchers and stakeholders in the two countries. Key informants were identified amongst those who were involved in active or recently completed regional programmes and data sharing activities (or could provide expert information and views), after preliminary consultations with local partners; additional participants were identified through snowball sampling. In order to account for different perspectives, we aimed to recruit participants from ministries of health and other government bodies (both at the central and provincial level), managers of vertical programmes and departments of communicable disease control, data management officers, and experts at international organisations. The researchers (ML, ST, SML) contacted individuals or offices by phone or email to request participation in the study. Prior to each interview, participants were provided an information sheet with details about the project aim and methods and a tentative list of topics to be covered during the meeting. Given the exploratory nature of this study, we prioritised a grounded approach , rather than using a predetermined analytical framework. Thus, the interview schedule was tailored to the role and expertise of informants and lightly structured to elicit views and experiences about their involvement in regional data and information sharing activities, both in the event of disease outbreak and for routine surveillance of endemic diseases. Further, participants were asked to comment on the value of data and information sharing and to discuss factors and challenges that may affect the transfer, exchange, and use of health data and expertise across borders. Most interviews with informants in the capitals (Phnom Penh and Hanoi) were conducted in English, while the majority of meetings at the provincial level were in Cambodian or Vietnamese and simultaneously translated into English by local research partners. Depending on the context and consent, interviews were either recorded (and then subsequently translated into English, where needed) or extensive notes were taken during the meetings. All interviews were conducted face-to-face by ML, alone or together with either ST or LMS. Relevant documents (such as reports and published papers) were also collected and reviewed at different stages to clarify points or triangulate information.
The analysis of qualitative data was structured around three categories mapped across the dataset, representing different yet interlinked elements in data and information sharing processes: (1) the nature of shared data and information; (2) the nature of communication channels; and (3) how information flow may be affected by the local, regional, and global system of rules and arrangements. Within each category, emerging themes were identified through an iterative process of categorisation and constant comparison of findings from the interview transcripts . Collected material was organized and coded using QSR nVivo 10 software package to manage the complexity of information. Preliminary findings were presented at two international workshops in Cambodia and Vietnam, both held in March 2017, where feedback from stakeholders was obtained and provided additional insights into the process of analysis.
Interviews by country and type of organisation
Government (central level)
Government (provincial level)
The nature of shared data and information
The majority of participants had positive views and experiences about their involvement in regional initiatives; reasons that were frequently mentioned to explain the value of regular and sustained communications between country partners included alert in the event of emergency, better understanding of disease epidemiology, and exchange of good practices and experiences. Malaria experts further noted that international case tracking is particularly important in the current context of regional strategy towards malaria elimination, given the cross-border dimension of residual malaria transmission and the need for detailed information about malaria cases traveling across countries (CAM-22, CAM-26). However, challenges emerged in relation to the nature and reliability of shared data, as illustrated in the sections below.
“If one country is saying they have 30 cases and another country 50… it seems that the problem in the second country is worse than in the first country, but it may just be that the other country was not able to detect many cases…” (CAM-20).
"What is Cambodia sharing? Data from the village malaria workers programme that go to the CNM [the National Malaria Centre] or data from the NHIS [the National Health Information System]… the two systems are not well integrated…" (CAM-29).
Inconsistencies in case definitions
“There is no standard methodology for at risk populations, like IDU [injecting drug users], MSM [men who have sex with men] and sex workers… many methods have been tried… but there are no regional guidelines… there have been many pilot studies, using different approaches… but then it is difficult to integrate different datasets and not really cost-effective…” (VIET19).
“We had several meetings to establish a regional database… But the main problem is the type of data… that are very different in each country… so at the meeting, we decided to share basic indicators… Another problem is the unit of data collection, which can vary considerably from township, to provinces to operational districts, to communes…” (CAM-22).
“We are developing a web-based regional database. It took about three days to get countries to agree on indicators… whether it should be at the commune level, at the provincial level, or at the country level (…) eventually we agreed on confirmed cases disaggregated by species, number of person tested, depending on the capacities; admitted malaria cases, including data from the private sector if available; severe malaria cases; malaria deaths; and completeness of health facility report” (CAM-24).
The second informant also noted that completeness of reporting – defined as the proportion of health facilities that are actually reporting out of the total proportion of facilities that are expected to report – is a key variable in the development of the regional database: “this point is very important as missing data can be incorporated into the modelling exercise so that we can have an estimate of real figures” (CAM-24).
Reliability of information systems and trustworthiness of shared information
Another area of concern was that perceptions about the reliability of the information source can affect the credibility of international communications. One health sector manager at the central level in Cambodia, who was involved in several regional initiatives, explained that “district hospital in some countries can do many testing…. when they report pneumonia, it is really pneumonia… they tell everything; but when we report cases, it is only based on clinical symptoms… they say it is not reliable” (CAM-18).
“In 2013, we had some suspected cases of [cross-border] cholera and we wanted to do a joint outbreak investigation with Cambodia but at that time most suspected cases were identified only in Vietnam so the priorities were different.” (VIET-01).
Communication channels and information flows
Over the past two decades, channels for cross-border sharing of data, information, and expertise in Southeast Asia have multiplied as well as the frequency of international communications. In addition to routine exchange of epidemiological reports (usually by email or shared database), the establishment of bilateral and multilateral agreements for infectious disease control has promoted an intensification in cross-border and regional meetings, where officers from different countries present and share data, information, and expertise in their area of responsibility (usually by slide presentation). Representation at cross-border meetings is variable, ranging from small gatherings between local health authorities to large inter-sectoral meetings involving a delegation of about 40 people or more from each country. One informant in Cambodia stressed that broad representation and the involvement of provincial governors are crucial to promote inter-sectoral cooperation and high-level stewardship (CAM-04). Further, meetings were seen to provide an opportunity to initiate or consolidate personal relations between health professionals in different countries, which can be used to promote informal communications in the event of disease outbreaks or other public health needs (CAM-10).
The politics of participation at cross-border and regional meetings
“When a country owns and is confident of their data…. They are able to defend it… they are more willing to share… but when you don’t build the capacity of a country to build and own an information system…there is a problem… Vietnam data come monthly… they have Global Fund support but full data ownership, so they feel more confident…” (CAM-24).
“In my previous job, I often attended regional meetings (…) I noticed that countries like Thailand and China speak confidently about their information system, but [representatives of] countries that have weaknesses in information systems say much less…” (CAM-20).
“We would like to invite partners from other countries [to attend meetings in Cambodia] but we no longer have budget for that. So, we are invited [by neighbouring countries] and cannot decide [the content and schedule of the meeting]” (CAM-08).
This issue was effectively summarised by a senior health manager in Cambodia, who noted with some frustration that “Cambodia always participate, participate, participate…” (CAM-18).
Information flow and data collection systems
“Most data are still collected on paper forms, although we are developing an online reporting system, funded by the World Bank. This will take about two years (…) For the moment, reporting is time consuming because the supervisors at the district level must visit all health centres in their catchment area to collect information every month. The supervisor at the provincial level collects and checks data from all operational districts every two months. The national supervisor then visits each provincial health department quarterly to get the provincial report” (CAM-11).
“Sometimes our reporting is not timely and complete – especially because it is difficult to have all data from other programs (…) as they are under other staff, and sometimes the national programme for malaria or HIV do not have all data every week” (CAM-16).
“Email exchange are in English… but there are language limitations so we cannot explain well the full situation. Due to language problems, it is difficult to explain effectively… even if we have translators during the meetings…” (VIET-17).
“In the past, the regional website was only available in English, so many people could not access the information well. Now we use it more because it has recently been translated in Vietnamese” (VIET16).
Institutional and organisational arrangements
In addition to the nature of shared data and communication channels, participants discussed points related to the wider context of institutional arrangements, rules, and contexts which are in place to support data and information sharing.
National regulations and norms
“If we need information from other countries, it is always the central level - because this is government… I think they work with the WHO and other countries… If we need information from other countries, they will do…” (VIET05).
In both countries, there was a consensus amongst participants that the IHR 2005 were an effective instrument to mandate the global notification of health emergencies of international concern; however, the lack of a clear legal framework to support regional programmes (usually based on “soft law” agreements such as memoranda of understanding) was seen as a barrier to the establishment of direct communication across borders. As one informant pointed out, “the problem is there is no legal framework (…) we feel strange, we don’t do it [contact colleagues in neighbouring countries], we cannot do it…” (VIET-05). Similarly, another informant in Vietnam stressed that the lack of agreed standard operating procedures was a barrier to the implementation of joint responses to cross-border disease outbreaks (VIET-26). On another note, one informant in Cambodia lamented the proliferation of bilateral and multilateral public health agreements, suggesting that ASEAN should be the overarching framework to coordinate regional public health initiatives (CAM-08).
Sustainability of donor-funded initiatives
“We were given a satellite phone as part of a surveillance programme a few years ago to use it for international communication with our partners. We still have the phone, but no funding to use it and it is more expensive than a normal phone (…)” (CAM-21).
“In the past they [the programme] also provided funds for local staff, but now they give only a small contribution to pay internet expenses… about US $10-15 a month… it’s not enough” (CAM-01).
This study aimed to elicit stakeholders’ perspectives on the range of issues affecting health data and information sharing across borders for infectious disease surveillance. Many informants recognised the value of regional public health networks and reported examples of positive outcomes and achievements, but different barriers to data sharing were identified. While the public health literature does highlight an obvious need for more and timely exchange of epidemiological information to address health threats of international concern, our findings document that the movement of data and information from production sites to other places may be challenging. Specific issues that were seen to affect “data journeys”  across the three dimensions in our investigations include imbalances in capacities of national health systems to provide reliable information on disease burden and outbreaks, different data collection and reporting systems, language barriers, differing national structures and rules that govern the circulation of health information inside and outside the country, and the sustainability of financing arrangements.
Some of these issues have been noted or explored in the literature. For example, the effects of source credibility, including expertise and trustworthiness, have been examined in studies of health communication as well as the influence of different communication channels and culture on message delivery and effectiveness . In addition, the problem of comparability of data from different sources has been recognised and addressed in epidemiology . Yet the examination of these tensions “in vivo”, from the perspective of health authorities and practitioners, is a novel contribution of this study, which enables a better understanding of challenges to data sharing and how these may affect the practical work of regional public health networks. As the analysis of interviews indicates, perceptions about the reliability of data and information sources may affect international cooperation not only for routine surveillance and monitoring purposes, but can also stifle the potential for collective action in the event of emergencies. Furthermore, awareness of technical proficiency and ownership of data and data collection systems were perceived to provide a comparative advantage in social interactions at regional meetings and the ability of stakeholders to engage in regional collaborations. Taken together, these points highlight the socio-technical nature of data and information sharing - a complex social process shaped by linkages between capacities, risk perceptions, trust, and behaviour.
Another original contribution of this study is a deeper understanding of these issues in the context of South-South cooperation. While the literature has highlighted issues of fairness in South-North partnerships for data sharing , articulated concerns about donor involvement in regional surveillance networks , and examined the problem of sustainability of donor-sponsored regional programmes , less attention has been paid to South-South data sharing patterns and, more broadly, collaborative dynamics between regional partners. In recent years, there has been a strong consensus on the value of South-South cooperation and its potential to foster more sustainable pathways to development, encourage knowledge transfer that is better suited to local contexts, and other positive externalities such as enhanced sense of ownership, self-reliance and independence [50, 51]. Findings from this study provide no insights to dispute these claims; yet, we found that South-South collaborations may also reflect asymmetries in technical capacities and decision-making. Despite an emphasis on mutual learning and equal participation, the content and flows of information may be directed by dominant country partners as well as those of donors involved in triangular forms of cooperation. While these issues have been explored in critical studies of international development [52, 53], little research has focused on their practical implications for public health and knowledge transfer in LMICs. Our study highlights this is an important issue that requires further attention if we are to better understand ways to establish mechanisms for equitable cooperation - in the health sector and beyond.
Further reflecting on our findings, we can provide additional insights which can be useful to inform policy and planning in this area. As we have seen, data and information sharing across borders is a complex and demanding task requiring convergence and communication between systems that are embedded in local contexts and structures. While global standards, guidelines, and rules have been developed to facilitate information sharing, comparative analyses, and global mapping of disease burden , states remain the main framework for the organisation of societies and their institutions, including the health sector. As a result, health information systems are variably shaped by national structures, capacities, rules, and differing approaches to data collection, validation, reporting, and dissemination. Given these differences, the establishment of regional public health systems requires considerable efforts to harmonise different practices and standards, iron out discrepancies, and create a common platform which can promote equitable exchange and fruitful use of shared data.
What can be done to address these challenges? Recent studies in network analysis on the role of third-party brokers as enablers of inter-sectoral cooperation offer useful insights . In particular, Collins-Dogrul provides convincing evidence and arguments that broker organisations were crucial to initiate and maintain cooperation between health authorities at the USA-Mexico border, countering the centrifugal forces of national structures, interests, and allegiances . Similarly, our study highlights the need for brokering at different levels in the data sharing process: “epistemic brokering”  in the form of data curation, validation, and modelling is required to make the travel of data across borders fruitful; “cultural brokering”  is needed to mediate linguistic barriers and, at the same time, promote a shared discursive frame about regional public good which can value and legitimise cooperation; “regulatory brokering” is also necessary to create a common legal framework for cross-border data sharing activities, including provisions to address ethical issues that may result from the sharing of patient records. Importantly, the involvement of a third-party organisation has the potential to redress imbalances between partners by distributing pooled resources and responsibilities in a more equitable way, a role that may be facilitated by the perceived aura of neutrality that brokers enjoy. To be sure, broker organisations have their own interests and can even reinforce relational inequalities, if a normative orientation towards equal participation is not in place. However, as Collins-Dogrul put it, to retain their position, brokers must “use their authority and influence to create, sustain, and enhance connections between people and organizations in ways that are perceived as improving outcomes for many members of the network, not just the broker” (p. 996) .
In Southeast Asia, past experiences in regional cooperation illustrate significant involvement of different types of third party brokers in public health programmes, including coordinating offices of disease surveillance networks, the WHO, and regional organisations such as the Association of Southeast Asian Nations (ASEAN). An evaluation of the brokering role of these organisations in support of data and information sharing networks was beyond the scope of this research project. Nonetheless, we should note that ASEAN is currently in a good position to play a more proactive role in regional health affairs and act as a catalyst for the diverse range of initiatives and programmes. In recent years, ASEAN has been the focal point in a number of regional health programmes [22, 37], but its institutional potential has not been fulfilled, due to limited financial resources and a weak legal framework based on the rule of consensus . However, the ongoing progress towards the establishment of the ASEAN Economic Community is an important upgrade in regional cooperation which will require increasing regulatory convergence on several trade issues, with potential spill-over effects in public health policy, similar to developments in the European Union . Currently, as part of the ASEAN work programme in the health sector (2016–2020), the ASEAN Secretariat is mandated to coordinate a wide range of activities for the prevention and control of infectious diseases, including continued support to existing disease surveillance networks, preparedness through joint simulation exercises and the ASEAN Field Epidemiology Training Programme (FETP), led by Thailand . Stronger ASEAN involvement in these areas would be useful to enhance regional ownership of shared datasets and sustainability, since the ASEAN budget can be supported by donor contributions but is not entirely dependent on the volatility of foreign aid assistance. In addition, the creation of a regional public health centre under the ASEAN framework could serve the key role of clearinghouse and central data management unit, improving usability, reliability, and wide dissemination of shared data inside and outside the region. Efforts to achieve this would need to align with global governance mechanisms and organisations, particularly the WHO, to promote wider integration and use of regional datasets as well as global stewardship in the event of emergencies which transcend national and regional borders.
Study limitations and suggestions for further research
This study Is based on a unique collection of stakeholders’ views about public health data and information sharing across borders in a developing context. To the best of our knowledge, this is the first study of this kind and, hopefully, our analysis can be useful to inform and encourage further research on these issues. We should note, however, several study limitations. First, key informant interviews are particularly vulnerable to social desirability biases, especially when informants represent institutions and government departments. In our study, whenever possible, we tried to encourage personal and critical engagement with the given topics. At times, however, this was difficult to achieve, particularly in group interviews at government departments, where meetings were more formal and provided less opportunities for questioning and probing. Second, given the exploratory nature of this study, we could generate insights on the socio-technical complexity of health data and information sharing, but in-depth exploration of emerging issues would require additional work and specific methodologies. For example, network analysis could be used to chart structural patterns in the flow of data and information within and across countries, including centrality of nodes, reciprocity in information exchange, clustering, and, importantly, brokerage dynamics. In addition, participant observation at regional meetings, informed by interactionist perspectives , would provide a deeper understanding of ways in which imbalances in access to resources may affect, in practice, knowledge exchange between country partners. Lastly, this study was conducted in a particular geopolitical and public health context of regional cooperation. As noted earlier, the focus on Southeast Asia provides strategic opportunities to explore different aspects of the phenomenon investigated here. However, future research work could be conducted in other areas to enable comparative case study analysis and provide stronger evidential bases for theory development and generalisation.
Our study documents ways in which imbalances between national health systems and capacities may affect the practice of cross-border data and information sharing, suggesting that best practices require significant involvement of an independent third-party brokering organisation or office, which can redress gaps between country partners at different levels in the data sharing process, create meaningful communication channels and make the most of shared information and data sets. By way of conclusion, we can extend this argument a step further and speculate that data and information sharing works better if supported by strong multilateral arrangements, since these typically involve a third–party organisation with responsibilities for budget administration, data management, and overall coordination. By contrast, a bilateral cooperation agreement is likely to have a weaker brokering orientation and is generally thought to be a less effective mechanisms to address collective good problems, as documented in studies of aid relationships ; this is even more apparent in contexts where transnational issues have a wide regional dimension and require harmonisation, coordination, and integration between more than two parties. Further attention to these issues is much needed in the present historical context. In the past few years, political developments in Europe and the United States have coincided with a crisis of multilateralism and regional cooperation - two foundations of the global order from the postwar to the present . Thus, research that can inform a better understanding of ways in which these changes may affect cooperation amongst countries and the achievement of the common good, in public health as in other policy areas, is timely.
We would like to thank all participants for their time and contribution.
This study was supported by the UK Economic and Social Research Council (ESRC) (grant no ES/K009990/1). The funding body had no role in the design or execution of the present study or the writing of this paper.
Availability of data and materials
Interview transcripts, other than the citations included here, are not available, due to confidentiality considerations.
ML designed the research, conducted fieldwork, analysed data, and wrote the paper. ST and SML provided input during the research process, supported data collection, and revised the manuscript. RC provided feedback during the research process and revised the manuscript. All authors read and approved the final manuscript.
Ethics approval and consent to participate
The project was approved by the Ethics Committee for Health Research in Cambodia (Ref. 476 NECHR), the Ministry of Science and Technology in Vietnam, and the ethics committee at the London School of Hygiene and Tropical Medicine (Ref. 10483). Informed consent was obtained for all interviews.
Consent for publication
The authors declare that they have no competing interests.
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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