US agencies issue careful note on mRNA jabs stroke risk

16 January 2023
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The US enters for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA) have released a statement on stroke cases among people given an updated, bivalent COVID-19 vaccine.

The CDC’s Vaccine Safety Datalink (VSD), a near real-time surveillance system, met the statistical criteria to prompt additional investigation into whether there was a safety concern for ischemic stroke in people aged 65 and older who received the Pfizer (NYSE: PFE) and BioNTech (Nasdaq: BNTX) COVID-19 Vaccine, Bivalent.

Rapid-response investigation of the signal in the VSD raised a question of whether people aged 65 and older who have received the jab were more likely to have an ischemic stroke in the 21 days afterwards compared with days 22 to 44 following vaccination.

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