Humoral and Cellular Response after mRNA Vaccination in Nursing Homes: Influence of Age and of History of COVID-19.
Jesús San RománFrancisco Javier CandelJuan Carlos SanzPaloma LópezRocío Menéndez-ColinoPablo BarreiroMaría Del Mar CarreteroMarta Pérez-AbeledoJosé Manuel Viñuela-PrietoBelén RamosJesús CanoraRaquel BarbaAntonio Zapatero-GaviriaFranciso Javier Martínez-Peromingonull On Behalf Of The Investigators Of The SeroVAC StudyPublished in: Vaccines (2022)
Waning of humoral response and reinfection seems to be more frequent in older as compared to younger adults, although cellular responses shortly after vaccination are comparable between these groups. Younger age and prior COVID-19 are related to greater humoral response after vaccination against SARS-CoV-2.