Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose: OpenSAFELY cohort study using linked electronic health records

Study (n=1,951,866 Pfizer; n=3,219,349 AZ; n=2,422,980 unvaccinated) found rate at which vaccine effectiveness waned was consistent for covid-19 related hospital admission& related death,& positive SARS-CoV-2 test, and was similar across age and clinical vulnerability subgroups
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news