NEW: 4 Nevada dairy herds are infected with a different strain of the virus (D1.1) than what has been circulating in cows. This version is the one that was found in the critically ill teen in Canada and in theLouisiana patient who died
It’s a “huge development,” says Scott Hensley. For starters, the wild-bird version might have an easier time acquiring the mutations needed to adapt to spread in people than the cow-version. https://www.statnews.com/2025/02/05/usda-nevada-herds-different-bird-flu-strain-milk-testing/ #press #birdflu