One Health

© FAO Simon Maina

Zoonoses

Zoonotic diseases, or zoonoses, are diseases shared between animals – including livestock, wildlife, and pets – and people. They can pose serious risks to both animal and human health and may have far-reaching impacts on economies and livelihoods. Zoonotic diseases are commonly spread at the human-animal-environment interface – where people and animals interact with each other in their shared environment. Zoonotic diseases can be foodborne, waterborne, or vector-borne, or transmitted through direct contact with animals, or indirectly by fomites or environmental contamination. Examples include, Rift Valley Fever, MERS-CoV, and some strains of Avian Influenza. 

One Health approach

Health issues at the human-animal-environment interface cannot be effectively addressed by one sector alone. Collaboration across all sectors and disciplines responsible for health is required to address zoonotic diseases and other shared health threats at the human-animal-environment interface. This approach to collaboration is referred to as One Health.

⦿ A zoonosis is any disease or infection that is naturally transmissible from vertebrate animals to humans.

⦿ 60 percent of all human infectious diseases are zoonotic in origin and some 75 percent jump species.

⦿ There are over 200 known types of zoonoses.

Contact: 
Zelalem Tadesse
Senior Animal Health Officer (Zoonoses and One Health)

Highlights
© Brent Stirton/Getty Images for FAO, CIRAD, CIFOR, WCS
Highlights
How wildlife communities are protecting global health
29/07/2025

The Sustainable Wildlife Management Programme is helping transform traditional conservation and health practices.

Highlights
Strengthening Uzbekistan's pandemic preparedness through One Health
18/07/2025

FAO's Pandemic Fund project enhances disease surveillance, laboratory capacity, and veterinary workforce development in Central Asia.

Highlights
Why early detection matters: Making the case for One Health surveillance
15/07/2025

Whether it's livestock diseases, crop pests, zoonotic spillovers, or environmental shifts that threaten food production, many crises begin silently.

Highlights
World Zoonoses Day
04/07/2025

World Zoonoses Day commemorates the first successful rabies vaccination by Louis Pasteur in 1885 and raises awareness about zoonotic diseases. 

Highlights
Decoding pathogen spillover: Understanding the origins of zoonotic threats
03/07/2025

Spillover events are rarely attributable to a single cause. Instead, they arise from a confluence of factors that is amplified at the interface between...

Highlights
How mapping livestock disease risks is transforming animal and human health in Zambia
09/06/2025

In Zambia’s rural heartlands, livestock are more than just animals – they're currency, nutrition, and a critical source of income.

Publications
Workforce development for effective management of zoonotic diseases
12/2024

This tool provides a stepwise approach for national authorities to assess and strengthen the workforce capacity for zoonotic disease management at the...

Monitoring and evaluation for effective management of zoonotic diseases
12/2024

This tool provides a stepwise approach for national authorities to develop or strengthen monitoring and evaluation practices in the context of multisectoral...

Global technical consultation on the strategic framework for early warning of animal health threats
05/2024

To support countries in the prevention and management of losses caused by animal diseases is working to develop a strategic framework for early warning...