Pfizer booster spurs immune response to new omicron subtypes


Pfizer says it's updated COVID-19 booster shot may offer some protection against new mutations of the omicron variant The original vaccine had been tweaked to address the omicron variants and the dominant one at the time was be a 5 While this new shot does produce an immune response for that variant it appears it can also target four additional omicron subtypes including the worrisome BQ one one a 9 fold increase in antibodies against that variant compared to only a twofold increase from the original shot but more studies are needed and this data released by Pfizer has not been peer reviewed Moderna also recently announced early evidence its updated booster induced antibodies against BQ one one now responsible for some 24% of COVID cases I'm Jackie Quinn

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