Since the avian influenza outbreak began in the U.S. in early 2022, millions of birds have been detected with Highly Pathogenic Avian Influenza (HAPI) influenza type A viruses.
The Eurasian H5N1 strain initially appeared in North America in January 2022 and has impacted 47 states, leading to the loss of over 58.3 million various types of birds as of February 11, 2023.
And this HAPI outbreak has crossed over into mammals.
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