Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study, BMJ

Study (n=156 930 aged ≥70 years) found single dose of either BNT162b2 or ChAdOx1-S provides significant protection against covid-19 and further protection against severe disease lasting> 6 weeks, including against UK variant of concern (B.1.1.7)
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news