FILE - Vials of the Johnson & Johnson COVID-19 vaccine are seen at a pharmacy in Denver on Saturday, March 6, 2021. On Thursday, May 5, 2022, U.S. regulators strictly limited who can receive this vaccine due to a rare but serious risk of blood clots. (AP Photo/David Zalubowski, File)
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After several issues involving rare blood clots, the FDA will now limit who should receive the Johnson & Johnson vaccine.