Astra Jab Followed By Pfizer, 4 Weeks Apart, Gives Strong Immunity: Study

Mixing doses of Covid-19 vaccines from Pfizer Inc. and AstraZeneca Plc creates a strong immune response, according to results from a University of Oxford study, a finding that could enable greater...

source https://www.ndtv.com/world-news/astrazeneca-jab-followed-by-pfizer-4-weeks-apart-gives-strong-immunity-study-2474753