Pfizer, BioNTech report bivalent Covid-19 booster more protective than original vaccine
STAT
NOVEMBER 4, 2022
New data from Pfizer and BioNTech on their bivalent Covid-19 vaccine suggests the updated product may be more protective against more recent Omicron subvariants than the original version of the vaccine, the companies said in a statement released Friday. The companies said the levels of neutralizing antibodies that target the BA.4 and BA.5 subvariants of the SARS-CoV-2 virus were four-fold higher in people aged 55 and older who received the bivalent booster than in similarly aged people who recei
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