A @PHE_uk preprint shows both the Pfizer and Oxford-AstraZeneca vaccines are “highly effective” in reducing COVID-19 infections among older people aged 70 years and over.https://t.co/WYAdGHajVW— Covid Fact Check UK (@fact_covid) March 1, 2021
A @PHE_uk preprint shows both the Pfizer and Oxford-AstraZeneca vaccines are “highly effective” in reducing COVID-19 infections among older people aged 70 years and over.https://t.co/WYAdGHajVW