German scientists say they've figured out why AstraZeneca's and Johnson & Johnson's COVID-19 vaccines can cause rare blood clots

AstraZeneca and Johnson & Johnson's vaccines can cause "mutant" proteins to escape cells, triggering a response in blood vessels, the scientists say.
Read more: https://www.businessinsider.com.au/vaccine-astrazeneca-johnson-johnson-blood-clots-side-effects-covid-2021-5?source=Snapzu