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New England Journal of Medicine

People with rare blood clots after a COVID-19 jab have an unusual immune response

People with rare blood clots after a COVID-19 jab have an unusual immune response

Researchers are calling for a delay in the second dose of Pfizer vaccine

Researchers are calling for a delay in the second dose of Pfizer vaccine

Horowitz: New studies show robust immunity among healthcare workers against COVID reinfection six months after infection

Horowitz: New studies show robust immunity among healthcare workers against COVID reinfection six months after infection

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