Article
HA stabilization promotes replication and transmission of swine H1N1 gamma influenza viruses in ferrets
25 Jun 2020
Abstract excerpt
Pandemic influenza A viruses can emerge from swine, an intermediate host that supports adaptation of human-preferred receptor-binding specificity by the hemagglutinin (HA) surface antigen. Other HA traits necessary for pandemic potential are poorly understood. For swine influenza viruses isolated in 2009-2016, gamma-clade viruses had less stable HA proteins (activation pH 5.5-5.9) than pandemic clade (pH...
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