The Centers for Disease Control and Prevention and the Food and Drug Administration said Friday that an imaginable link was known between Pfizer-BioNTech’s bivalent Covid-19 vaccine and ischemic stroke in other people over 65 who received the vaccine, but the agencies do not recommend any adjustments to vaccine distribution.
The CDC’s vaccine safety data link surveillance formula detected information that “raised a question” about whether other people over age 65 who won this rapid Pfizer vaccine were more likely to have an ischemic stroke in the first 21 days after inoculation, or between 22 and 44 days. later.
He says no other signs of protection have detected this potential problem, nor studies of data from the Centers for Medicare and Medicaid Services, Veterans Affairs, the Vaccine Adverse Event Reporting System and Pfizer-BioNTech.
No such signal was detected with Moderna’s bivalent vaccine.
The knowledge suggests that this sign is “highly unlikely” to pose “a true clinical risk,” the CDC said, and the firm and FDA will continue to compare knowledge related to this topic.
15,9 %. That’s the number of Americans five and older who gained an updated booster dose, according to the CDC.
Known as “upgraded boosters,” bivalent injections are available for ages 12 and older in September, ages 5 to 11 in October, and for some children ages 6 months to 4 years in December. These images involve mRNAs from the original Covid-19 and those related to the BA. 4 and BA. 5 subvariants of the omicron strain, which was one of the most popular strains of the virus last year. A CDC study published in December found that bivalent doses were 56% higher effective at preventing Covid compared to no vaccine. And those who won the dose were 50% less likely to get Covid-19 than those who gained the initial dose at least 11 months earlier. The updated booster also particularly reduced the threat of hospitalization, compared to unvaccinated adults.
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