Food safety

Global Early Warning System for Major Animal Diseases, including Zoonoses (GLEWS)

GLEWS is a joint system that builds on the added value of combining and coordinating alert mechanisms of the Food and Agriculture Organization of the United Nations (FAO), the World Organisation for Animal Health (OIE) and WHO. Networks from the international community and stakeholders are linked to assist in early warning, prevention and control of animal disease threats, including zoonoses.

GLEWS taskforce


The overall objective of GLEWS is to improve data sharing and risk assessment for animal disease threats of the three sister organizations (FAO, OIE and WHO) for the benefit of the international community.

Actions and outputs

Tracking of zoonotic disease outbreaks that merit further validation. Sources of information can be official or unofficial from the global human and veterinary public health communities.

Information sharing and validation is performed through the appropriate organizations. GLEWS links with the International Food Safety Authorities Network (INFOSAN) to ensure that food safety events are managed along the farm to table continuum.

Multidisciplinary risk assessment provides added value to global early warning of zoonotic disease.