Do Vaccines Work Against Omicron Covid Variant Here S What We Know
But it does not mean that vaccines do not work against the Omicron variant at all. The study, conducted at the Sheba Medical Center, involved people being given second booster doses of the Pfizer or Moderna vaccine. The results from people who did receive a second booster dose—a fourth shot overall—were compared to those of a control group in which people did not receive a fourth shot. The researchers found that a second booster dose increased the number of COVID-fighting antibodies in recipients even higher than the first booster dose did....