Booster shots with mRNA vaccines such as Pfizer and BioNTech failed to block omicron, a study revealed.
Source: Early Omicron Breakthroughs Show MRNA Vaccines’ Weakness
Data from the U.K. have also shown a significant rise in protection against symptomatic infection and hospitalizations after a booster shot but suggest there may be a need for a fourth shot for those over 65, according to a report by Bloomberg Intelligence.
