A second dose of the Oxford-AstraZeneca vaccine raises the vaccine’s efficacy to 82.4% if it is administered after a 12-week gap.
AstraZeneca Vaccine Helps Slow Covid-19 Transmission, First Dose 76% Effective For At Least Three Months, Study Finds
A second dose of the Oxford-AstraZeneca vaccine raises the vaccine’s efficacy to 82.4% if it is administered after a 12-week gap.