COVID-19 vaccine protection wanes after three months, study suggests

The protection offered by the Oxford-Astra Zeneca COVID-19 vaccine declines after three months of receiving two doses, a study says.

The findings - drawn from datasets in two countries - suggest that booster programmes are needed to help maintain protection from severe disease in those vaccinated with Oxford-Astra Zeneca, experts say.

from Breaking World Pharma News https://ift.tt/3mrBkSd