Persistence of Antibodies to Influenza Hemagglutinin and Neuraminidase Following One or Two Years of Influenza Vaccination.


BACKGROUND Antibody titers to influenza hemagglutinin (HA) and neuraminidase (NA) surface antigens increase in the weeks after infection or vaccination, and decrease over time thereafter. However, the rate of decline has been debated. METHODS Healthy adults participating in a randomized placebo-controlled trial of inactivated (IIV) and live-attenuated… (More)
DOI: 10.1093/infdis/jiv313