Johnson and Johnson

Adenovirus Vaccines and Blood Clots

New research suggests how COVID-19 adenovirus vaccines may lead to extremely rare cases of thrombosis with thrombocytopenia syndrome (TTS), an autoimmune response which can lead to fatal blood clots. Thrombosis with thrombocytopenia was verified by the WHO as a possible adverse event to AstraZeneca and Johnson & Johnson COVID-19 vaccines earlier this year, following the first but rarely after the second dose.

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FDA Authorizes Pfizer and Moderna Boosters for 18+

This morning, the FDA expanded eligibility around booster shots of both the Pfizer and Moderna vaccines for adults 18+, six months after their primary series. Those who have received a Johnson & Johnson vaccine for their primary series can receive a Pfizer or Moderna booster dose two months after their single dose primary series

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