The crystal structure of the hemagglutinin of both the viruses is similar, especially within the Sa antigenic site. Compared with seasonal influenza outbreaks, the overall impact of the 2009 H1N1 ...

Aug. 19, 2024 — The avian influenza virus needs to mutate to cross the species barrier and to infect and replicate within mammalian cells. Scientists have now deciphered the structure of the ...

Illinois is seeing a "notable increase" in hospital admissions for flu cases, according to state health officials, as levels of respiratory viruses continue to tick up. But which type of flu is ...