COVID-19 increases people's risk of dangerous blood clots and bleeding for months after infection, researchers say.
After accounting for a number of possibly significant factors, the researchers concluded that those with COVID-19 had a five times' higher risk of DVT; a 33-fold higher risk of pulmonary embolism; and a nearly doubled risk of bleeding in the 30 days after infection.
The risks of blood clots and bleeding were highest in patients whose COVID-19 was more severe, those with other health conditions and those infected during the first wave rather than in the second and third waves. The researchers said that could be explained by improved treatment and vaccine coverage in older patients after the first wave.
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