Animals

CDC finds evidence that bird flu spread silently to veterinarians, suggesting undercount of cases A new study published Thursday by the Centers for Disease Control and Prevention shows that bird flu has silently spread from animals to some veterinarians, echoing two smaller studies that detected evidence of infection in previously undiagnosed farmworkers. PBS News

...

Three of America’s top milk-producing states aren’t a part of federal surveillance testing for bird flu even as a new variant is turning up in dairy cattle, in what some public health experts say is a troubling gap in the national effort to identify and detect the spread of the virus. ...

Bird flu variant found in Nevada cows shows signs of adaptation to mammals | CNN The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more easily, according to a new technical brief from the US Department of Agriculture’s Animal and Plant Health Inspection Service. Brenda Goodman CNN

...

Second type of bird flu detected in US dairy cows Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in herds since last year. U.S. AP News

...