ScienceSwitzerlandFight against avian flu involves vaccinating birds in zoos05:21This browser does not support the video element.ScienceSwitzerlandJo Siegler06/06/2024June 6, 2024Avian flu continues to spread worldwide. Infections among birds have risen rapidly since 2020, and more and more mammals are now contracting the disease. In Switzerland, birds in zoos are now being vaccinated against the virus.Copy linkAdvertisement
