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Fourth mRNA booster does not fully protect against omicron

Fourth mRNA booster does not fully protect against omicron

The mRNA vaccine booster shots from Pfizer-BioNTech or Moderna are partially effective in defending against the Omicron variant of the coronavirus. They are safe and produce substantial antibodies, according to the preliminary results of research conducted by Sheba Medical Center in Israel. The trial showed that one week after people received the booster shot from...