“Any kind of boost really reduces your chances of getting very sick from COVID,” Dr. Kathryn Stephenson of Beth Israel Deaconess Medical Center said.
Pfizer said Friday that its updated COVID-19 booster may offer some protection against newly emerging omicron mutants even though it’s not an exact match.
The immune response wasn’t as strong against this alphabet soup of newer mutants as it is against the BA.5 strain. But adults 55 and older experienced a nearly 9-fold jump in antibodies against BQ.1.1 a month after receiving the updated booster, according to a study from the University of Texas Medical Branch in Galveston and the companies. That’s compared to a 2-fold rise in people who got another dose of the original vaccine.
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