Pfizer and BioNTech say updated Covid-19 boosters show increased immune response against Omicron variant
CNN
Two Pfizer and BioNTech Covid-19 vaccine boosters updated to target the Omicron variant show a substantially higher immune response than the current Covid-19 vaccine, the companies said Saturday.
The companies tested a vaccine that targets Omicron BA.1 subvariant and bivalent booster -- which targets two strains -- that includes the current Pfizer/BioNTech Covid-19 vaccine and a vaccine candidate that targets Omicron.
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