US FDA Investigating Concomitant Flu, COVID Vaccine Link To Stroke Safety Signal

 
• By Derrick Gingery

No stroke risk has been identified, but FDA and CDC officials want to investigate whether concomitant administration of influenza and COVID-19 vaccines are related to the issue.

epidemiology
A formal study looking at concomitant flu and COVID-19 vaccination and a potential risk of stroke is in development. • Source: Shutterstock

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