Weeks have passed by since the first news about a potential link between certain types of Covid-19 vaccines and rare blood clots. Researchers all across the world are looking for the actual cause of these clots. Last week, a German scientist came with the message that he has found an answer to the question that is keeping researchers all around the world busy: what is causing these blood clots?

If you would like to know more about this news, we recommend reading the following article from The Wall Street Journal.