Article
Convergent Evolution of Human-Isolated H7N9 Avian Influenza A Viruses
8 Feb 2018
Abstract excerpt
Background: Avian influenza A virus H7N9 has caused 5 epidemic waves of human infections in China since 2013. Avian influenza A viruses may face strong selection to adapt to novel conditions when establishing themselves in humans. In this study, we sought to determine whether adaptive evolution had occurred in human-isolated H7N9 viruses. Methods: We evaluated all available genomes of H7N9 avian influenza A...
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