Oxford researchers say having AstraZeneca then Pfizer jabs is almost as potent as two shots of Pfizer
Having different Covid vaccines for first and second shots produces a strong immune response to the virus, according to research that will help improve the resilience of vaccine programmes around the world.
Scientists in Oxford looked at the impact of a mix-and-match approach to vaccinations where people were given either the standard two shots of Oxford/AstraZeneca or Pfizer/BioNTech vaccine, or a combination of the two.
Continue reading...from The Guardian https://ift.tt/3h23px0
