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Introduction into Nigeria of a Distinct Genotype of Avian Influenza Virus (H5N1)

2009; Centers for Disease Control and Prevention; Volume: 15; Issue: 3 Linguagem: Inglês

10.3201/eid1503.081161

1080-6059

Alice Fusaro, Tony Joannis, Isabella Monne, Annalisa Salviato, Bitrus Yakubu, Clement Meseko, Tinuke Oladokun, Sonia Fassina, Ilaria Capua, Giovanni Cattoli,

Animal Disease Management and Epidemiology

Genetic characterization of highly pathogenic avian influenza viruses (H5N1) isolated in July 2008 in Nigeria indicates that a distinct genotype, never before detected in Africa, reached the continent. Phylogenetic analysis showed that the viruses are genetically closely related to European and Middle Eastern influenza A (H5N1) isolates detected in 2007.