Dr. Andrea Ellis (DVM) is a Board member with Veterinarians Without Borders North America/Vétérinaires Sans Frontières Amérique du Nord U.S.
Dr. Andrea Ellis (DVM) is a veterinary epidemiologist who has worked in foodborne, waterborne and zoonotic diseases for the past 30 years in the Canadian public service and at WHO. In Canada, she worked in Health Canada and the Public Health Agency of Canada managing the outbreak response unit in what is currently called the Centre for Foodborne, Environmental and Zoonotic Infectious Diseases. Dr. Ellis was seconded to WHO in Geneva from 2002-2004 to develop the epidemiology curriculum for the Global Foodborne Infections Network and worked on the response to SARS and avian influenza. She went back to WHO from 2009-2011 to lead the International Food Safety Authorities Network. Upon returning to Canada, she joined the Canadian Food Inspection Agency and spent 10 years as senior advisor to the Chief Veterinary Officer of Canada and WOAH Delegate for Canada before retiring from government in March 2023.
Dr. Ellis is currently an independent consultant and has been working with WOAH and WHO.
Khadia Diallo’s story reveals how women Community Animal Health Workers in rural Senegal are strengthening disease prevention from the ground up — caring for animals, supporting families, and translating One Health principles into everyday practice through the COHERS program.
A community awareness event in rural Senegal offers a window into how local partners and Community Animal Health Workers are building a culture of prevention through dialogue, trust, and repeated engagement under the COHERS program.
A mass vaccination campaign in rural Senegal reveals how Community Animal Health Workers are strengthening prevention, extending veterinary services, and protecting livelihoods in hard-to-reach communities through the COHERS program.
