The US Centers for Disease Control and Prevention and the Food and Drug Administration have announced they will resume the rollout of the Johnson & Johnson COVID-19 vaccine after finding that potential blood clots are “very rare events.”
“The FDA and CDC have confidence that this vaccine is safe and effective in preventing COVID-19,” the two agencies said late Friday. The fact sheet on the vaccine will be updated to reflect the rare risk of rare blood clots — known as thrombosis with thrombocytopenia syndrome, or TTS.
It comes after a CDC panel voted earlier Friday afternoon in favor of lifting the pause on the Johnson & Johnson vaccine. The advisers said the benefits of the vaccine “outweighed the potential risk” of rare blood clots. The recommendation to resume the use of the vaccine came after a 10-4 vote, with one abstention, by the CDC’s Advisory Committee on Immunization Practices.
The FDA gavefor in February. More than 7 million people received the before the , on April 14, after a handful of cases of rare were discovered.
During the meeting Friday, CDC officials said that as of April 21 there have been 15 confirmed cases of TTS in people who received the Johnson & Johnson vaccine. Of those confirmed cases, 13 were in women ranging in age from 18 to 49 years old, and two were in women over 50 years old.
In March, several European nations paused the use of the, which is similar to the Johnson & Johnson vaccine, after were reported. Both vaccines use a common-type virus called an adenovirus to carry a harmless part of the COVID virus to cells. Some scientists theorize that components of the Johnson & Johnson and Oxford-AstraZeneca vaccines are causing a chain reaction in the body’s immune system leading to the development of blood clots.
Johnson & Johnson scientists have said there’s AstraZeneca issued a statement noting that the World Health Organization had said a causal relationship between its vaccine and blood clots was plausible but hadn’t been confirmed and that additional research was necessary.. Earlier this month,
CNET’s Corinne Reichert also contributed to this report.
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