Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study

Posted on by

Lancet Infectious Diseases
Nov 2021 Volume 21 Number 11 p1471-1612, e341-e362
https://www.thelancet.com/journals/laninf/issue/current

 

Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study
Catherine Hyams, et al.