Blood clot risk ‘remains for months’ after developing COVID-19
Even mild cases of the illness confer an increased absolute risk, study shows
![Blood clot](https://www.ausdoc.com.au/wp-content/uploads/2022/08/blood-clot-istock-139399372-9.jpg)
Adults risk developing serious blood clots in the legs and lungs for up to six months after COVID-19, researchers warn.
Their study involved the comparison of more than one million people with laboratory-confirmed SARS-CoV-2 infection and four million people without the virus from Swedish national registries.