A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say could not only make the virus more lethal, but increase its spread between ...
A year ago, bird flu was first found in US cows. Since then, there have been cases in herds in 17 states, including nine in Minnesota.
Three years into the epidemic that has claimed the lives of nearly 170 million farmed birds and caused 70 known human ...
Almost a year ago, the H5N1 strain of bird flu was discovered in dairy cows for the first time. Since then, there have been confirmed cases in at least 976 herds across 17 states, including nine ...
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