J&J, AstraZeneca explore modifying Covid vaccines in response to rare blood clot issue – CNBC

ORLANDO, FLORIDA, UNITED STATES – 2021/04/10: Johnson & & Johnson COVID-19 vial and box seen at a vaccination site.
“The Food and Drug Administration stated in April it was including a caution label to J&Js Covid vaccine, citing the blood-clotting disorder as a rare side effect.On Monday, the FDA stated it was adding yet another cautioning to J&Js label, noting the shot has actually been linked to a serious, however uncommon, autoimmune disorder understood as Guillain-Barre syndrome.About 100 initial reports of Guillain-Barre have been found after 12.8 million doses of the J&J vaccine were administered, according to the Centers for Disease Control and Prevention. The cases reported after getting the J&J shot mostly happened about 2 weeks after vaccination and primarily in males, lots of aged 50 years and older, CDC information programs.

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