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Emerg Infect Dis. 2019 Jan;25(1):136-139. doi: 10.3201/eid2501.180618.

Avian Influenza A(H9N2) Virus in Poultry Worker, Pakistan, 2015.

Abstract

Avian influenza A(H9N2) virus isolated from a poultry worker in Pakistan in 2015 was closely related to viruses detected in poultry farms. Observed mutations in the hemagglutinin related to receptor-binding affinity and antigenicity could affect cross-reactivity with prepandemic H9N2 vaccine strains.

KEYWORDS:

Pakistan; Surveillance; avian influenza; evolution; influenza; influenza A(H9N2); poultry workers; viruses; zoonoses

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