Johnson & Johnson vaccine: EU regulator says blood clot very rare side effect
The EU’s drugs regulator says the benefits of the Covid-19 vaccine still outweigh the risks. …
“One plausible explanation for the combination of blood clots and low blood platelets is an immune response, leading to a condition similar to one seen sometimes in patients treated with heparin called heparin induced thrombocytopenia, HIT,” it said.