Instances of stroke following receipt of Pfizer’s new booster in the elderly may be connected to the influenza vaccine, officials said on Jan. 26.
One-hundred thirty cases of ischemic stroke, which can be deadly, were recorded among people aged 65 or older within 21 days of a bivalent Pfizer booster, the U.S. Food and Drug Administration’s Vaccines and Related Biological Products Advisory Committee heard on Thursday.
