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Covid Raises Clotting Risks for Months After Even Mild Infection

April 7, 2022, 6:35 AM

The risk of developing serious bleeding or potentially deadly blood clots is elevated for months after experiencing even a mild Covid infection, Swedish researchers found.

While the dangers of post-Covid clotting are well known, it’s less clear how long the risk lasts and what should be done to prevent it. The researchers compared the medical records of 1 million people who tested positive for the virus between February 2020 and May 2021 in Sweden to 4 million of their peers who weren’t infected.

Bleeding rates were elevated for two months after testing positive for the virus, while there was significant ...