One of those viruses has antigenic shifts, an unpredictable recombination of surface proteins, making it hard to make true vaccines for this disease.
Viruses causing this disease are in family Orthomyxoviridae (OR-tho-MIX-oh-VEER-ih-day). One of those viruses has antigenic shifts, an unpredictable recombination of surface proteins, making it hard to make true vaccines for this disease. Those viruses are classified by the types of hemagglutinins (HE-muh-GLUE-tin-ins) and neuraminidases (NOOR-uh-MIN-ih-day-sez) in their envelopes, making strains such as H3N2 and H2N1. For 10 points, name this disease for which people are often vaccinated in the fall.
Viruses causing this disease are in family Orthomyxoviridae (OR-tho-MIX-oh-VEER-ih-day).
influenza