Article

Rapid evolution of A(H5N1) influenza viruses after intercontinental spread to North America

2022-11-14

Abstract excerpt

<title>Abstract</title> <p>Highly pathogenic avian influenza A(H5N1) viruses of clade 2.3.4.4b underwent an explosive geographic expansion in 2021, with the viruses being detected in wild birds and domestic poultry across Asia, Europe, and Africa. In 2022, viruses of this clade were detected in North America, signifying further intercontinental spread. Here, we show that the western movement of clade 2.3.4.4b was...

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Literature Corpus work: 045d472a-b08b-580e-a289-50b9034c0f31
DOI: 10.21203/rs.3.rs-2136604/v1

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