April 13, 2021 — After receiving stories of a uncommon blood clot in individuals receiving the Johnson & Johnson COVID-19 vaccine, the FDA and the CDC have advisable a pause in the usage of the vaccine, pending additional investigation.
Right here, what you should know:
Why was the pause recommended?
After reviewing knowledge, the businesses discovered six stories of people that skilled uncommon blood clots together with low platelets, that are the smallest blood cells and concerned in clotting. The six stories have been came upon of greater than 6.8 million doses given. The FDA and CDC initiated the pause ”out of an abundance of warning.”
What else is thought?
In keeping with a joint assertion issued by the CDC and FDA, all six instances have been in girls between ages 18-48. Signs occurred 6-13 days after vaccination. The kind of clot is thought medically as a cerebral venous sinus thrombosis (CVST) and was seen together with low ranges of blood platelets. Go right here to be taught extra about these types of blood clots.
Of the six instances, one lady died; one other was in essential situation.
Remedy of this kind of clot is totally different from that for different varieties, the CDC and FDA say. Usually, an anticoagulant drug, heparin, is used. However for this kind of clot, different remedy could also be wanted.
Why does it occur?
“We do not have a definitive reply at the moment, nevertheless it seems to contain an immune response associated to the J&J vaccine that adversely impacts the perform of the platelets, which in flip prevents the conventional clotting course of from occurring,” says Robert Glatter, MD, emergency physician at Lenox Hill Hospital in New York Metropolis.
He says that the reason “could finally be associated to the adenovirus vector [used in the vaccine] itself.”
Why does it appear to have an effect on girls greater than males?
That isn’t but recognized, says William Schaffner, MD, professor of preventive drugs and infectious illness specialist at Vanderbilt College Medical Heart in Nashville. “This has been true for the AstraZeneca [vaccine] as effectively and their blood clot points,” he says. Whether it is an immune-related problem, girls do are likely to have extra of these points than males, normally, he says.
What ought to individuals who acquired the J&J vaccine know and do?
Take into account that the stories of blood clots have been uncommon, Schaffner suggests. The probabilities are about 1 in 1,000,000, based mostly on the six stories out of 6.8 million doses given. “That is really a testomony to the sensitivity of our vaccine security system,” he says, that these few stories can be detected out of tens of millions of doses.
Individuals who have gotten the vaccine must be vigilant of signs, the FDA and CDC say. In the event you obtained the Johnson & Johnson vaccine and develop extreme headache, abdominal pain, leg ache, or shortness of breath inside 3 weeks of vaccination, contact your their well being care supplier.
How lengthy will the pause final?
That can be not but recognized. The CDC’s Advisory Committee on Immunization Practices (ACIP) will meet on Wednesday to additional overview the instances and ”assess their potential significance.” FDA can be reviewing the info additional.