Descriptive Epidemiology and Phylodynamics of the “First Wave” of an Outbreak of Highly Pathogenic Avian Influenza (H5N1 Clade 2.3.4.4b) in British Columbia and the Yukon, Canada, April to September 2022

<div>Number of wild animals (birds and mammals) or domestic infected premises (IP) that tested positive for highly pathogenic avian influenza (HPAI; H5N1 clade 2.3.4.4b) in British Columbia (B.C.) and the Yukon, Canada, during the “first wave” of the outbreak in this region, between April 12, 2022 and September 11, 2022. Data are categorized per “Functional group” (“Domestic commercial,” “Domestic small flock,” “Landbird,” “Mammal,” “Raptor,” “Waterbird,” or “Waterfowl”), per “Death Month” (April, May, June, July, August, or September).</div>

Transboundary and Emerging Diseases

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Figure 1: Descriptive Epidemiology and Phylodynamics of the “First Wave” of an Outbreak of Highly Pathogenic Avian Influenza (H5N1 Clade 2.3.4.4b) in British Columbia and the Yukon, Canada, April to September 2022 

Figure 1 | Descriptive Epidemiology and Phylodynamics of the “First Wave” of an Outbreak of Highly Pathogenic Avian Influenza (H5N1 Clade 2.3.4.4b) in British Columbia and the Yukon, Canada, April to September 2022 