Johnson & Johnson COVID-19 vaccine amid reports of blood clots. A type of brain blood clot called cerebral venous sinus thrombosis was seen in combination with low levels of blood platelets in six women between the ages of 18 and 48, the Centers for Disease Control and Prevention and the Food and Drug Administration said in a statement.
As of 12 April, more than 6.8 million doses of the J&J vaccine have been administered in the US. "Right now, these adverse events appear to be extremely rare," the statement added.US federal distribution channels, including mass vaccination sites, will pause the use of the J&J shot, and states and other providers are expected to follow."Centers for Disease Control will convene a meeting of the Advisory.