hemagglutinin and neuraminidase. There are 16 different hemagglutinins and nine different neuraminidases, and reassortment of these two antigens determines the influenza A virus subtype (e.g ...

three subtypes of hemagglutinin (H1, H2, and H3) and two subtypes of neuraminidase (N1 and N2) have caused sustained epidemics in the human population. Birds are hosts for all influenza A subtypes ...

The heads of countless hemagglutinin proteins are arrayed on the surface portion of the virus along with another ...

Influenza vaccine efficacy studies entail ... which allow a more granular view of the hemagglutinin and neuraminidase genes, or even the entire genome.NGS can provide insight, including ...