10 April 2021 - Europe’s drug regulator says it is reviewing rare blood clots in four people in the United States who received Johnson & Johnson’s COVID-19 vaccine.
The European Medicines Agency’s safety committee has also been looking at how AstraZeneca’s COVID-19 vaccine is associated with very rare cases of unusual blood clots and said it was now reviewing reports of capillary leak syndrome in people given AstraZeneca’s vaccine.