Neither Pfizer nor other countries that are using the vaccine have seen any increase in this kind of stroke, the agency said, and the signal was not detected in any other databases. The agency noted that it has looked for and failed to find the same increase in strokes in other large collections of medical records, including those maintained by Medicare, the US Department of Veterans Affairs, as well as its Vaccine Adverse Event Reporting System, known as VAERS. Real-world studies show updated Covid-19 boosters offer important protection against urgent care visits and hospitalizations Inspection line of Pfizer-BioNTech Omicron BA.4/BA.5 bivalent COVID-19 vaccine vials for children ages 5 to 11 years old at Pfizer Kalamazoo Pfizer The same safety signal has not been detected with the bivalent Moderna booster, the CDC said in its notice. You’re getting a blip on the radar, and you have to do further investigation to discover whether that airplane is friend or foe.” “These strokes are not a confirmed adverse event at the moment,” he said. William Schaffner, an infectious disease expert at Vanderbilt University and a member of the CDC Advisory Committee on Immunization Practices’ Covid-19 Vaccine Work Group. The number of strokes detected is relatively small, said Dr. Of about 550,000 seniors who got Pfizer bivalent boosters and were tracked by the VSD, 130 had strokes in the three weeks after the shot, according to a CDC official who spoke to CNN on condition of anonymity because they weren’t authorized to share the data. The CDC said it had identified possible confounding factors in the data coming from the VSD that may be biasing the data and need further investigation. The Vaccine Safety Datalink, or VSD, is a network of large health systems across the nation that provides data about the safety and efficacy of vaccines through patients’ electronic health records. Ischemic strokes, the most common form, are blockages of blood to the brain. (Photo by Suzanne Kreiter/The Boston Globe via Getty Images) Boston Globe/Boston Globe/Boston Globe via Getty ImagesĪ Covid-19 'senior wave' is driving up hospitalizationsĪ rapid response analysis of that signal revealed that seniors who got an bivalent booster might be more likely to have ischemic strokes within the first three weeks after their shots, compared with weeks four through six. The hospital is operating at above its normal capacity because there is so much illness, such as RSV, flu and COVID.
Worcester, MA - December 12: EMTs transfer and deliver patients in the busy ambulance bay at UMass Memorial Medical Center.
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