Study shows that older adults can generate robust, long-lived memory against SARS-CoV-2 following infection SARSCoV2 infection COVID19 coronavirus covid immunity HSN_Sudbury thenosm UConn LancetLongevity
By Pooja Toshniwal PahariaJul 18 2022Reviewed by Danielle Ellis, B.Sc. In a recent study published in The Lancet Health Longevity, researchers reported on the benefit of immunity developed by previous severe acute respiratory syndrome coronavirus 2 infection for overcoming the age-associated decline in coronavirus disease 2019 vaccine effectiveness .
About the study In the present study, researchers highlighted the benefits of previous SARS-CoV-2 infection among older adults with reduced VE of COVID-19 vaccines. Results The second vaccination with either BNT162b2 or ChAdOx1 nCoV-19 vaccines significantly boosted anti-S titers and enhanced the neutralization of SARS-CoV-2. The effects were substantially higher among staff than residents. However, the findings were true only for the study participants with no prior COVID-19 history; previously seropositive residents [with antibody titers against the SARS-CoV-2 nucleocapsid protein] demonstrated similar titers as the staff group.
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