Mixandmatch

The Food and Drug Administration has authorized Novavax's Covid boosters for adults in the U.S., including for people who received Pfizer's or Moderna's shots as their primary series.The authorization of Novavax's booster could significantly increase the role that its shot plays in U.S. vaccination efforts. Up until now, Novavax's vaccine was only authorized as a two-dose primary series, which limited its market because so many people were already immunized with Pfizer of Moderna.The FDA, in a factsheet for healthcare…

Mixing different Covid-19 vaccines as the third dose than was received for the first two shots was found to be more effective than using the booster of the same preventive, a study published in The Lancet Global Health journal has said. The study was conducted to determine the safety profile and effectiveness of mixing CoronaVac, Pfizer and AstraZeneca vaccine boosters in individuals who had a primary two-dose immunisation schedule with CoronaVac, compared with no vaccination.…