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Detecting Rare Blood Clots Was a Win, But US Vaccine Safety System Still Has Gaps

The quick detection of an ultra-rare blood clotting reaction in some covid-19 vaccine recipients showed the power of a federal warning system for vaccine safety issues, but experts worry that blind spots in the program could hamper detection of other unexpected side effects. This story also ran on NBC News. It can be republished for free. Before the pandemic began, the Food and Drug Administration had scaled back a program it used successfully to track adverse events during and after the 2009 H1N1 influenza pandemic, and the agency is still ramping up its replacement, said Dr. Robert Chen, scientific director of the Brighton Collaboration, a nonprofit ...

Read the full post at Syndicate – Kaiser Health News
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