Abstract
Introduction
The increase in emerging human infectious diseases that have a zoonotic origin and the increasing resistance of microorganisms to antimicrobial drugs have shown the need for collaborations between the human, animal and environmental health sectors. The One Health concept increasingly receives recognition from policy makers and researchers all over the world. This overview compiled research and education activities in the area of One Health in Western Europe (Austria, Belgium, France, Germany, Italy, Iceland, Ireland, Liechtenstein, Luxembourg, Monaco, the Netherlands, Portugal, Scandinavia, Spain, Switzerland, and the United Kingdom (UK), with a focus on infectious diseases. It can serve as a starting point for future initiatives and collaborations.
Material and methods
A literature search for ‘One Health’ was performed using National Center for Biotechnology Information and Google. Moreover, information from global and European policy documents was collected and a questionnaire was designed to gather current One Health research and training activities in Western Europe.
Results
This overview shows that there is considerable recognition for One Health in Europe, although most educational initiatives are recent. In Europe, the One Health approach is currently mainly advocated in relation to antimicrobial resistance (AMR). Many countries have incorporated the One Health approach in their policy to fight AMR, and funding possibilities for AMR research increased significantly. The number of national and international multidisciplinary research networks in the area of zoonotic diseases and One Health is increasing.
Discussion
Although One Health has gained recognition in Europe, often a One Health approach to research and education in the area of zoonotic diseases and AMR is not implemented. In many countries, collaboration between sectors is still lacking, and One Health activities are predominantly initiated by the veterinary sector. To facilitate the multidisciplinary approach that is needed to fight zoonotic diseases and AMR, exploring current barriers for collaboration is needed. Targeted funding can help address these boundaries and facilitate multidisciplinary research and training to fight both zoonotic diseases and AMR in Europe.
The similarities between human and animal diseases and the relations between animals and humans being in contact with them have already been recognized in ancient times. In the 20th century, human and veterinary medicine diverged. In the same period the knowledge on infectious diseases and antibiotics increased immensely. In the second half of the 20th century, the understanding increased that collaborations between the human health sector and the veterinary sector are needed to prevent and control zoonotic diseases and antimicrobial resistance (AMR). In 1952, the Food and Agricultural Organization (FAO) and the World Health Organization (WHO) already published a joint report on ‘advances in the control of zoonoses’ (Citation1). In 1969, the Swann report was already published, recommending a joint strategy for antibiotic use in humans, animals, and horticulture and discouraging the use of antibiotics used in human medicine as growth promoters (Citation2).
Calvin Schwabe first introduced the term ‘One Medicine’ in 1984, recognizing that human and veterinary medicine should be seen as one discipline (Citation3). Toward the end of the 20th century, the concept of ecosystem health was introduced, extending the integration and collaboration of human and animal medicine to the environment (Citation4). This was also illustrated by the publication of the ‘Manhattan Principles’ that were formulated to ‘guide the international implementation of a holistic approach to prevent epidemic disease while maintaining ecosystem integrity’ (Citation5). Later, the term ‘One Health’ was introduced, describing such a holistic approach, to improve human, animal, and environment health through multidisciplinary collaborations and communications (Citation6, Citation7). In 2008, the FAO, World Organisation for Animal Health (OIE), WHO, World Bank, United Nations Children's Fund and United Nations System Influenza Coordination published a strategic framework for the reduction of risks of infectious diseases at the animal–human–ecosystems interface, thereby endorsing and promoting the One Health approach (Citation8). Since 2008, a large number of national and international institutes have endorsed and implemented the One Health approach.
In Europe, the One Health approach was formally recognised when the European Commission made a formal statement on the One Health approach at the International Ministerial Conference on Avian and Pandemic Influenza of Sharm-El-Sheik in 2008 (Citation9). Also in 2008, the European Commission's Directorate General for Health and Consumers and the Federation of Veterinarians of Europe (FVE) launched a campaign called ‘One Health’ to promote the role of Member States and the European Union (EU) in the protection of farmed and domestic animals and consumers in the EU by means of biosecurity measures (Citation10). The FVE has published several other position papers and organized activities in the area of One Health since then (Citation11).
Currently, One Health in Europe is often mentioned in relation to AMR. The Council conclusions on AMR in 2012 clearly stated that a One Health perspective on AMR is needed. The recent EU ministerial One Health conference on the same subject also concluded that there was a clear need for a One Health approach to fight AMR (Citation12). In 2015, the FVE and the Standing Committee of European Doctors signed a memorandum of understanding in the field of One Health with AMR as the main topic (Citation13). The One Health approach to fight AMR is also promoted on a global level, as illustrated by the WHO global action plan (Citation14).
To support the call for the application of a One Health approach to AMR and infectious diseases, research on the human–animal–environment interface is important. Moreover, to promote the One Health concept and facilitate the application of such a concept among different stakeholders, training and extension activities are essential.
This overview compiles research and education activities in the area of One Health in Western Europe, with a focus on infectious diseases. It can serve as a starting point for future initiatives and collaborations.
Methods
This review describes One Health research and extension activities in Western Europe, including Austria, Belgium, France, Germany, Italy, Iceland, Ireland, Liechtenstein, Luxembourg, Monaco, the Netherlands, Portugal, Scandinavia, Spain, Switzerland and the UK. Activities were only included if the term ‘One Health’ was specifically mentioned in the description of the activity.
First, a search for the term ‘One Health’ was performed on August 24, 2016, in the National Center for Biotechnology Information PubMed database. Publications that use ‘One’ as a numeral rather than referring to the concept ‘One Health’ in relation to human, animal, and ecosystem health were removed. Also, articles that only used the term ‘One Health’ as a key word or in the name of an institute were removed: only those articles that used the term ‘One Health’ in their title or abstract were selected. Articles that did not have a first or last author from a Western European country, as well as congress reports, news reports, editorials and articles by authors that did not represent non-governmental organizations (NGOs), governmental organizations or research institutes, were removed. The remaining articles were used for the bibliographic analysis and overview. Information on European research projects was extracted from Community Research and Development Information Service, the public database on all EU-funded research projects and their results (Citation15).
Background information on the One Health initiative and European One Health initiatives were also obtained from One Health policy documents published by international organizations and governments.
In addition, a short questionnaire was composed to identify One Health research programs and funding, One Health education, and government support for the One Health approach. The questionnaires were placed on international One Health web sites and were sent to delegates of the FVE, national representatives of the International Veterinary Students’ Association (IVSA), international organizations such as the WHO, the FAO, the European Centre for Disease Prevention and Control (ECDC), the European Food Safety Authority (EFSA) and many more. Finally, a Google search was executed using the search term ‘One Health’ combined with each included Western European country and ‘One Health’ combined with ‘research’, ‘funding’, ‘education’, and ‘training’. Only the first 100 search results per country were analyzed.
Results
One Health research
Results of PubMed search
Searching for the term ‘One Health’ in PubMed generated 2,214 results. After selecting articles that refer to the One Health concept or approach in their title or abstract, 637 publications were left. Of those, 184 were scientific publications of first and last authors that represented NGOs, governmental organizations or research institutes from Western Europe (a). The first Western European article from our search results that referred to ‘One Health’ was published in 2008. After 2012, the number of publications that mentioned the One Health approach or One Health concept showed a major increase (b).
Fig. 1 Search strategy for the overview of One Health research publications, Western Europe, with a) breakdown of search strategy and b) number of publications with first or last authors from Europe per year.
The first publications that talked about One Health in their title or abstract were published by US institutes and organizations, followed by European institutes. On a global level, almost half of the total number of scientific publications on One Health are authored by North American institutes, followed by European scientific institutes that make up for one-third of the total number of publications. Although earlier literature mainly came from North America and Europe, authorships of more recent articles show that One Health is under the attention of an increasing number of countries. The large majority of European One Health scientific publications come from institutes in Western Europe, compared to Eastern Europe (Albania, Baltic states, Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Greece, Hungary, Macedonia, Malta, Moldava, Montenegro, Poland, Romania, Russia, Serbia, Slovakia, Slovenia and Ukraine).
A total of 39 institutes based in Western European countries published two or more articles that mentioned the One Health concept in their title or abstract. The 10 institutes with the highest number of publications mentioning ‘One Health’ were included in . Interestingly, five out of 10 institutes are based in the UK.
Table 1 Overview of 10 European institutes with most publications that include the term ‘One Health’ in their title or abstract
Funded research projects
Horizon 2020 (2014–2020) and the Seventh Framework Programme (2007–2013), the EU Research and Innovation programs, fund many research projects in the area of One Health, zoonotic diseases, and AMR. The research projects that are funded can either be collaborations within the EU or collaborations between institutes from the EU and organizations outside of the EU (third countries) ().
Table 2 Selection of Horizon 2020 (2014–2020) and Seventh Framework Programme (2007–2013) funded research programs in the area of One Health
The Med-Vet-Net European Network of Excellence (NoE) for zoonoses research was initially funded by the EU Sixth Framework Programme (2004–2009). After 2009, the network of eight veterinary and seven public health institutes from 10 European countries continued independently (Citation16). Amongst other things, The network organizes scientific meetings and training courses, launches calls for One Health collaborative projects and promotes multidisciplinary collaborations in One Health research.
The Network for Evaluation of One Health (NEOH) is funded by Cooperation in Science and Technology (COST), a European framework that supports transnational cooperation between researchers, engineers, and scholars in Europe. NEOH aims to develop and apply a science-based evaluation protocol to enable future quantitative evaluations of One Health activities (Citation17).
Regional and national initiatives
Antimicrobial resistance
In 2015, a declaration on AMR through a One Health perspective was launched by the Nordic Council, the interparliamentary body in the Nordic region (Denmark, Finland, Iceland, Norway and Sweden), urging the European Parliament to implement a One Health approach in the fight against AMR (Citation18). Under the presidency of the Netherlands, the Ministerial Conference on AMR emphasized the need for a One Health approach to combat AMR in 2016 (Citation9). Many countries, such as the UK, France and the Netherlands, incorporated the One Health approach in their strategy to fight AMR (Citation19–Citation21). This is also illustrated by joint reporting of antibiotic use and AMR in the human and veterinary health sectors in many European countries (Citation21–Citation25). EU Member States report data on AMR in zoonotic bacteria to the European Commission, the EFSA and the ECDC. In 2015, the ECDC, EFSA and European Medicines Agency for the first time published a joint report on the analysis of antibiotics consumption and AMR in bacteria from humans and food-producing animals (Citation26).
A large number of EU Member States are participating in the EU Joint Programming Initiative on AMR. This initiative coordinates and pools EU national research funds and efforts to maximize research output in the area of AMR. The web site also contains a searchable database and a mapping report of national and European research funding in the field of AMR (Citation27).
Zoonotic diseases
Data from monitoring of zoonoses and zoonotic agents in animals of EU countries are reported to EFSA and the OIE (Citation28). Data from human monitoring are submitted via the European Surveillance System, hosted at ECDC. The results are published in the EU summary report on trends and sources of zoonoses, zoonotic agents, and food-borne outbreaks of the EFSA and the ECDC and the OIE World Animal Health Information Database (WAHIS Interface) (Citation29). Many countries also publish a national zoonotic disease report. All Scandinavian countries, for example, have zoonoses centers that are also involved in research activities and information provision for professionals and the public (Citation30). Other countries, such as the Netherlands, Germany, Belgium and the UK, also publish yearly zoonotic disease reports (Citation31–Citation34). The UK and the Netherlands have also established a specific multidisciplinary and multiagency group that assesses emerging infection risks to human health: the UK the Human Animal Infections and Risk Surveillance group and the Dutch Signalling Forum Zoonoses (Citation35, Citation36).
In recent years, several national One Health research networks have been founded in Europe. They are listed in .
Table 3 Selection of One Health research networks in Western Europe
A 90 million Euro Co-fund Joint Programming Initiative for One Health is planned for 2016–2017 to create a joint European program to deal with One Health in relation to (emerging) zoonoses (Citation37). Other institutes, such as the Welcome Trust, also provide funding for zoonotic disease research (Citation38). In addition, most Western European countries have national funds for zoonotic disease research.
One Health training opportunities
University training
Universities from Denmark, France, the Netherlands, Spain and the UK offer minor and master's programs in One Health. The One Health master of the Royal (Dick) School of Veterinary Sciences in Edinburgh is the only online master's program. The University of Copenhagen also offers a summer course on One Health, which is open to all international master's students, PhD students and postgraduates (Citation39) ().
The University of Basel recently launched a new 30-h online One Health course for non-professionals as well as professionals in the field of human, animal and environmental health (Citation40).
In addition to the listed courses, many other veterinary faculties offer courses on zoonotic diseases. In general, human medical education pays less attention to zoonotic diseases in their curriculum.
Table 4 Overview of European university training on ‘One Health’
In recent years, students have also taken up an active role in One Health. Some countries have One Health student associations or veterinary public health associations and networks, such as the Netherlands (Hygieia), the UK (One Health Bristol) and Ireland (University College Dublin One Health Society) (Citation41, Citation42). Moreover, the IVSA recently launched the standing committee on One Health and a network of local veterinary public health officers (Citation43).
Training courses and extension activities
Several European funded research projects include extension activities. For example, the Anticipating the Global Onset of Novel Epidemics (ANTIGONE) project organizes a yearly One Health workshop and the One Health for Next Generations (OH-NEXTGEN) project developed One Health course materials and workshops aimed at researchers in the Sahel and Maghreb (Citation44, Citation45). The Southeast Asia and European scientific collaboration project (SEA-EU-NET) project also organized workshops in the area of One Health (Citation46). The NEOH, under the COST framework, organized several workshops, such as the European One Health/EcoHealth workshop in 2016 (Citation47).
Notably, One Health Sweden developed an educational strategy program targeting secondary schools and high schools. All materials can be found on their web site. 40,000 copies of their One Health educational materials have been distributed to all Swedish schools. The course package is called ‘Infectious diseases in a changing world’.
Moreover, in recent years, many conferences in the area of One Health and zoonoses have been organized in Europe. Some of them, such as the One Health congress in Amsterdam (the Netherlands) in 2015 and the One Health summit in Davos (Switzerland), attract scientists and policy makers from all over the world (Citation48). Also, on European, national and regional scale, One Health and zoonotic diseases are an important topic in many conferences.
Discussion
This overview is likely to be incomplete, as we limited our search to the term ‘One Health’. This may have led to an underestimation of the number of articles and research and educational initiatives. Many articles in the area of zoonotic diseases or AMR may not have used the term ‘One Health’ in their abstract or title. This is illustrated by a publication of Jakob Zinsstag et al. that already described the One Health concept in 2005, but did not come up in the search results (Citation6). Others only described their specific research topic without mentioning “One Health”. This may have also been the case for the online search for One Health initiatives. Moreover, other terms, such as ‘EcoHealth’, ‘Ecosystem health’, and ‘One Medicine’, are also known to be used for the multidisciplinary initiatives to improve human, animal and ecosystem health, which can also be categorized under One Health. Authors or institutes using these terms were probably not included in this overview. Additionally, there is a lot of discussion about the research themes that fall under the umbrella term ‘One Health’. Any research discipline that can contribute to human, animal, or ecosystem health, including anthropology, sociology, pedagogy or comparative medicine, can be ‘One Health’. It was therefore difficult to limit the scope of this overview.
This overview shows that there is considerable recognition for One Health in Europe, although most educational initiatives are recent. Governments and universities increasingly adopt the One Health concept. In Europe, the One Health approach is currently mainly advocated in relation to AMR. This has already resulted in increased collaboration between the human health and veterinary health sectors in the areas of surveillance, control and research. AMR is high on the political agenda which has led to increased research funding. Although the One Health approach in relation to zoonotic diseases receives less media attention at the moment, the number of publications and research funding opportunities are increasing.
Funding initiatives in some countries have stimulated cross-discipline research and training, but these initiatives are lacking in most countries. Consequently, collaboration between different sectors in the area of zoonotic diseases is not in place yet in many European countries. Globally, there is also a segregation between publications from different sectors in disease transmission studies. Also, previous studies show limited medical representation in One Health and infectious disease publications (Citation49, Citation50). One Health mainly discusses collaborations between human and animal health issues at present but other disciplines, such as environmental and social sciences, should also be integrated (Citation7, Citation51–Citation53). These partnerships currently only represent a minor share of the One Health research community.
The One Health concept is predominantly advocated by the veterinary sector. Veterinary organizations such as the FVE promote and advocate a One Health approach in the areas of zoonotic diseases and AMR, but the call for a One Health approach is much weaker from the human medical sector (Citation7, Citation54) (Citation55). One Health training is embedded considerably more in veterinary schools than in medical training, as is shown by the overview of One Health university training initiatives in Western Europe. Thus, despite lots of political attention, One Health education of human doctors appears to be lagging behind. This is illustrated by surveys that showed that many physicians lack knowledge on zoonotic diseases and the One Health concept is not known to most of them (Citation56, Citation57).
In line with recommendations of the WHO, AMR and infectious disease research should not be separate topics for research and education, rather should be part of one strategy for infectious disease prevention and control (Citation7, Citation58). Moreover, One Health research and training initiatives should be both multidisciplinary and multinational as zoonotic diseases and AMR do not stop at country borders. Funding instruments can be used to guide such collaborations.
Conclusion
Although One Health has gained recognition in Europe, the application of the One Health approach in research and education should be further encouraged and facilitated. To assist the progress of the multidisciplinary approach that is needed to fight zoonotic diseases and AMR, an inventory of current barriers for collaboration is needed. Targeted funding can be used to address these boundaries and facilitate multidisciplinary research and training to fight both zoonotic diseases and AMR in Europe.
Conflict of interest and funding
This study was financially supported by the European Commission's H2020 program under contract number 643476 (http://www.compare-europe.eu/).
Acknowledgements
We would specifically like to thank Bruce Kaplan (One Health Initiative), Peter Costa (One Health Commission), Lep Lipman (Utrecht University), Nancy de Bruyne and Jan Vaarten (FVE), and Caroline Bulstra (IVSA) for their help in the dissemination of the questionnaires.
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