Vaccine effectiveness against acute respiratory illness hospitalizations for influenza-associated pneumonia during the 2015-2016 to 2017-2018 seasons, US Hospitalized Adult Influenza Vaccine Effectiveness Network (HAIVEN).
Shekhar A GhamandeCourtney ShaverKempapura MurthyChandni RaiyaniHeath D WhiteTasnim LatAlejandro C ArroligaDayna WyattH Keipp TalbotEmily T MartinArnold S MontoRichard K ZimmermanDonald B MiddletonFernanda P SilveiraJill M FerdinandsManish M PatelManjusha GaglaniPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
Influenza vaccination was modestly effective among adults in preventing hospitalizations and the need for intensive care associated with influenza pneumonia. VE was significantly higher against A (H1N1)pdm09 and was low against A (H3N2) and B.