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BRIEF June 3, 2021

Safeguarding Animal, Human and Ecosystem Health: One Health at the World Bank

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Credit: Flore de Preneuf/World Bank


Overview

Increasing interactions between humans and animals, the erosion of biodiversity, alteration of ecosystems, and climate change are increasingly driving the emergence of infectious diseases, most of them from animals, and sometimes with the potential to become pandemics. Meanwhile, the over-reliance on antimicrobials to prevent and combat infectious diseases, protect plants, preserve food, and promote animal growth is giving rise to anti-microbial resistance (AMR), causing ¡®superbugs¡¯ that withstand the drugs designed to kill them, inactivate or slow their growth. In low and middle-income countries, these public health challenges disproportionately affect the poorest households, increase poverty and hinder development. Agriculture and food play a major role in the emergence and spread of diseases and AMR, due to the way food is produced, traded and consumed. Often seen as health issues, diseases can also disrupt food systems, undermine food security and destroy people¡¯s livelihoods.

Zoonotic diseases, which are transmitted between animals and humans, affect more than two billion people and cause over two million deaths every year--the ¡°normal¡± burden of zoonoses. While the costs of SARS, H1N1 or Ebola were in the billion, the global economy contracted by 4.3% in 2020 due to COVID-19. That amounts to about $3.6 trillion worth of goods, services and other output lost. This does not include the many different ways people suffered the downturn, through death, illness, loss of livelihood or disruption of schooling, for example.

Foodborne diseases¡ªwhich can be caused by poor hygiene and animal husbandry mis-practices on farms-- and AMR also take a toll on economies. The Safe Food Imperative estimated the cost of foodborne diseases (FBD) at USD$110 billion in lost productivity and medical expenses in low- and middle-income countries each year. ľ¹ÏÓ°Ôº report on Drug-Resistant Infections: A Threat to our Economic Future found that the cost of AMR could be as high as US$ 3.4 trillion by 2050.  Tackling drug-resistant infections is now one of the highest-yield investments countries can make: Containing AMR in low- and middle-income countries costs an estimated USD$9 billion annually but has an annual rate of return of 88 percent per year.

Strong public health systems, along with integrated, multidisciplinary solutions, are needed to prevent, detect, and manage risks from infectious diseases in humans and animals, curb AMR, reduce food losses and ensure food safety.

The ¡°One Health¡± approach proactively engages different disciplines, such as human medicine, veterinary medicine, and environmental health sciences, .

  • One Health can help achieve progress on national and global priorities. Strengthening public health systems at the human-animal-environment interface protects health, agricultural production, and ecosystem services¡ªincluding food and nutrition security to disaster resilience and ecotourism--all of which contribute to economic development.
  • Actions to address disease risk and prevent disease emergence at the source are a key part of the One Health approach. This includes improving animal health and welfare.
  • The One Health approach promotes synergies at national and global levels. The One Health approach is endorsed by international agencies such as WHO, FAO, OIE and their Tripartite alliance.
  • One Health strategies are highly cost-effective. One Health improves effectiveness of core public health systems, substantially reducing morbidity, mortality, and economic costs of outbreaks.
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What the World Bank is doing

ľ¹ÏÓ°Ôº has worked for over a decade to promote and operationalize One Health approaches supported by country partners, technical institutions, international organizations, and donors. ľ¹ÏÓ°Ôº¡¯s knowledge base on the topic includes ; the  series; the ; From panic and neglect to investing in health security: Financing pandemic preparedness at a national level; and Pulling Together to Beat Superbugs: Knowledge and Implementation Gaps in Addressing Antimicrobial Resistance, among other publications.

ľ¹ÏÓ°Ôº estimates that an annual investment of approximately US$1.9¨C3.4 billion is required to build and operate systems for effective disease prevention and control in low- and middle-income countries. Success in preventing the onset of pandemics comes with an expected 86 percent annual rate of return. The Global Program for Avian Influenza Control and Human Pandemic Preparedness and Response, approved in 2006, was active in 62 countries and contributed to averting a costly pandemic through biosecurity, surveillance, improved capacity in diagnosis, information, and communications, and response. Because the program focused on prevention and preparedness for control of contagion at the animal source, the response to the avian influenza was highly cost-effective. The lessons learned from the  have underpinned investments such as the post-Ebola Regional Disease Surveillance Systems Enhancement program () that supports surveillance and epidemic preparedness in West Africa.

ľ¹ÏÓ°Ôº has over US$ 1.5 billion on One Health in operations, including livestock and agriculture projects that include One Health approaches, and One Health-oriented projects that focus entirely on reducing the risk of emerging health threats. For example, the Bangladesh Livestock and Dairy Development Project aims to improve the productivity and resilience of smallholder livestock farmers. The project promotes better approaches to livestock health, nutrition and breeding in the country¡¯s livestock sector, which includes poultry, goats, cattle, and sheep. Bangladesh¡¯s livestock sector, which has a high incidence of animal disease, has resulted in losses, reduced productivity and public health risks.

One Health responses are also a key feature of the World Bank¡¯s multi-phased . The response is both fast and flexible and focused on helping developing countries strengthen their pandemic response and health care systems in the longer term. Current COVID-19 response projects that feature One Health responses include:

  •  (P173836) aims to prevent, detect and respond to the threat posed by COVID-19 and strengthen national health systems for prevention and preparedness in India. One Health is integrated across all components of the project, through activities that aim to strengthen coordination and capacity at state level for disease surveillance and control, epidemiology, stronger laboratories and integrated information and communication management. Project activities will also  strengthen pandemic research and multi-sector, national institutions and platforms to prevent, detect and respond to infectious diseases outbreaks in animals and humans, with a particular focus on zoonotic diseases at the animal-human interface.
  •  (P173746) seeks to strengthen selected national and provincial systems to pilot a multi-sectoral approach for reducing the risk of zoonotic and other emerging health threats. The project has a strong One Health focus and aims to improve risk-based surveillance systems for zoonotic and other emerging health threats, strengthen the capacity for risk assessment and diagnosis and monitoring networks for human, animal and wildlife diseases, and improve protocols for information sharing between relevant agencies.

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