Ducks receiving influenza vaccination on a farm in France in November 2023
Shutterstock/Leitenberger photo
Modeling studies show that hundreds of cases of H5N1 avian influenza would have occurred on poultry farms in the past year if France had not first vaccinated ducks. In fact, there were only 10 people.
“The bottom line is that vaccination made a big difference,” says Timothy Vergne of France’s Toulouse National Veterinary School.
Avian influenza vaccines for poultry have been used in some regions for many years, but…
