Pfizer-BioNTech and AstraZeneca vaccines offer high protection against severe COVID-19, 6 months after second doses - Medical Xpress

7/21/2022 12:00:00 AM2 years 9 months ago
by Science X staff
by Science X staff
Protection against severe COVID-19 by two doses of Pfizer-BioNTech and AstraZeneca COVID-19 vaccines remained high up to six months after second doses, finds new research which analysed NHS health record data on over seven million adults. Reassuringly, the Un…
Protection against severe COVID-19 by two doses of Pfizer-BioNTech and AstraZeneca COVID-19 vaccines remained high up to six months after second doses, finds new research which analysed NHS health re… [+4013 chars]
full article...