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Emerg Infect Dis
; 28(12): 2538-2542, 2022 12.
Article
in English
| MEDLINE
| ID: mdl-36418000
ABSTRACT
We collected data on mass mortality in Sandwich terns (Thalasseus sandvicensis) during the 2022 breeding season in the Netherlands. Mortality was associated with at least 2 variants of highly pathogenic avian influenza A(H5N1) virus clade 2.3.4.4b. We report on carcass removal efforts relative to survival in colonies. Mitigation strategies urgently require structured research.