This virus has a genome divided into eight segments of negative-sense RNA.
A 2005 outbreak of a disease caused by this virus caused worldwide shortages of star anise, which contains a precursor to a sialic acid analogue used to treat that disease. This virus has a genome divided into eight segments of negative-sense RNA. (*) Hemagglutinin and neuraminidase are used to classify the different strains of this virus that is targeted by the drugs zanamivir and oseltamivir. The strains of this orthomyxovirus contain the canonical examples of antigenic drift and shift. A 1918 pandemic resulted from the "Spanish" variety of this virus. H1N1 is an example of, for 10 points, what virus with "avian" and "swine" varieties?
A 2005 outbreak of a disease caused by this virus caused worldwide shortages of star anise, which contains a precursor to a sialic acid analogue used to treat that disease.
influenza (or flu)