Variation in loss of immunity shapes influenza epidemics and the impact of vaccination
Variation in loss of immunity shapes influenza epidemics and the impact of vaccination
Protective antibody immunity against the influenza A virus wanes in 2-7 years due to antigenic drift of the virus' surface proteins. The duration of immune protection is highly variable because antigenic evolution of the virus is irregular. Currently, the variable nature of the duration of immunity has had little attention …