To trace the evolution of highly pathogenic influenza A(H5N1) virus in West Africa, we sequenced genomes of 43 viruses collected during 2015 from poultry and wild birds in 5 countries. We found 2 co-circulating genetic groups within clade 2.3.2.1c. Mutations that may increase adaptation to mammals raise concern over possible risk for humans.
Ahead of Print -Genetically Different Highly Pathogenic Avian Influenza A(H5N1) Viruses in West Africa, 2015 - Volume 22, Number 12—December 2016 - Emerging Infectious Disease journal - CDC
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