Limited Outbreak of Highly Pathogenic Influenza A(H5N1) in Herring Gull Colony, Canada, 2022

In summer 2022, highly pathogenic influenza A(H5N1) virus reached the herring gull (Larus argentatus subspecies smithsonianus) breeding colony on Kent Island, New Brunswick, Canada. Real-time monitoring revealed a self-limiting outbreak with low mortality. Proactive seabird surveillance is crucial f...

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Bibliographic Details
Published in:Emerging Infectious Diseases
Main Authors: Liam U. Taylor, Robert A. Ronconi, Hayley A. Spina, Megan E.B. Jones, C. Brandon Ogbunugafor, Andrea J. Ayala
Format: Article in Journal/Newspaper
Language:English
Published: Centers for Disease Control and Prevention 2023
Subjects:
highly pathogenic influenza A(H5N1) virus
Larus argentatus subsp. smithsonianus
American herring gulls
avian flu
avian influenza virus
bird flu
Medicine
R
Infectious and parasitic diseases
RC109-216
Canada
Kent Island
Avian flu
Online Access:https://doi.org/10.3201/eid2910.230536
https://doaj.org/article/dda9ebb7e4ea405ca9ab7ecf5662597b
Description
Summary:In summer 2022, highly pathogenic influenza A(H5N1) virus reached the herring gull (Larus argentatus subspecies smithsonianus) breeding colony on Kent Island, New Brunswick, Canada. Real-time monitoring revealed a self-limiting outbreak with low mortality. Proactive seabird surveillance is crucial for monitoring such limited outbreaks, protecting seabirds, and tracing zoonotic transmission routes.

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