Emergence and rapid dissemination of highly pathogenic avian influenza virus H5N1 clade 2.3.4.4b in wild birds, Chile

  1. Naomi Ariyama
  2. Catalina Pardo-Roa
  3. Gabriela Muñoz
  4. Carolina Aguayo
  5. Claudia Ávila
  6. Christian Mathieu
  7. Barbara Brito
  8. Rafael Medina
  9. Magdalena Johow
  10. Victor Neira
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Abstract

In December 2022, HPAI H5N1 clade 2.3.4.4b emerged in Chile. We detected the virus in 93 wild bird samples and sequenced the whole genome of nine Chilean strains from pelicans and gulls. Phylogenetic analysis suggests at least two different HPAI viral clusters in South America.

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  1. Version published to 10.1101/2023.04.07.535949v1 on bioRxiv