It found those who received the first dose of Oxford-AstraZeneca vaccine followed by the Pfizer vaccine as the second dose showed a strong antibody immune response. This observation was made after a period of two weeks from administering the Pfizer vaccine as the second dose. Com-COV2 StudyCom-COV2 study is testing the different combinations of Covid-19 vaccines recently approved or expected to be shortly approved in the UK. The study may also use any Covid-19 vaccines that may be approved in the near future. Prof. Seneviratne also said the initial findings from the above studies, would be encouraging to those contemplating and discussing mixing Covid-19 vaccines, at least when the combination of the Oxford-AstraZeneca and Pfizer vaccines are considered.

Source: The Nation June 24, 2021 17:15 UTC