Article
Isolation and genetic characterization of a novel 2.2.1.2a H5N1 virus from a vaccinated meat-turkeys flock in Egypt.
Virology journal - 9 Mar 2017
Salaheldin Ahmed H, Veits Jutta, Abd El-Hamid Hatem S, Harder Timm C, Devrishov Davud, Mettenleiter Thomas C, Hafez Hafez M, Abdelwhab Elsayed M
Abstract excerpt
BACKGROUND: Vaccination of poultry to control highly pathogenic avian influenza virus (HPAIV) H5N1 is used in several countries. HPAIV H5N1 of clade 2.2.1 which is endemic in Egypt has diversified into two genetic clades. Clade 2.2.1.1 represents antigenic drift variants in vaccinated commercial poultry while clade 2.2.1.2 variants are detected in humans and backyard poultry. Little is known about H5N1 infection...
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