Hardly surprising.Blood clot detected in 44 year old Melbourne man after AstraZeneca shot. We have to assume that he is a front line worker.
Australia's Acting Chief Medical Officer Michael Kidd confirms authorities are investigating a "probable" case of a rare clotting disorder in an Australian man who received the AstraZeneca vaccine.www.abc.net.au
Give the same amount a placebo you'll get a few end up with clots.
The birth control pill causes clots as well, in a much higher frequency.