Genetic analysis reveals H5N1 flu virus outbreak in cows likely started
earlier than thought
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H5N1 bird flu virus outbreaks: USDA starts testing ground beef
The U.S. government said on Monday it is collecting samples of ground beef at retail stores in states with outbreaks of bird flu in dairy cows for testing but remains confident the meat supply is safe. Federal officials are seeking to verify the safety of milk and meat after confirming the H5N1 virus in 34 dairy cattle herds in nine states since late March, and in one person in Texas. Both the Centers for Disease Control and Prevention and the World Health Organization have said the...
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Bird flu virus circulated in cows for four months before outbreak confirmed by USDA, analysis shows
A USDA analysis shows the spread in cattle started from a single spillover event from birds in the Texas panhandle that may have happened in early December.
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Here's the latest on H5N1—avian flu—and some resources tracking the virus
Over a year ago I shared some maps that were tracking the H5N1 avian flu outbreak. At the time, the virus had been detected in more than 150 wild and domestic avian species. It had also jumped from birds to mammals and scientists had found the virus in over a dozen mammal species. — Read the rest