A duck caught the flu on a farm in France in November 2023
Shutterstock/Leitenberger Photography
France would have had hundreds of outbreaks of H5N1 bird flu in poultry farms over the past year if ducks had not been vaccinated against the disease in the first instance, according to a model study. Instead, there were only 10.
“The bottom line is that the vaccine made a big difference,” he says Timothée Vergne at the National Veterinary School in Toulouse, France.
Although bird flu vaccines have been used for a long time, sometimes…
