Silent Spread—Three Bovine Veterinarians Unknowingly Infected with H5N1

In the shadow of a growing H5N1 avian influenza outbreak among U.S. dairy cattle, a startling discovery has emerged: three bovine veterinarians were unknowingly infected with the virus. This revelation, uncovered through a recent serosurvey, underscores the silent spread of the disease and highlights the urgent need for systematic surveillance to protect those on the frontlines of animal care.