(WSYR-TV) – We know that sitting for extended periods, like a long flight, can contribute to a person developing a blood clot. Add now to have COVID-19 to this list. A major study from the United Kingdom shows that even a mild case of the virus can increase this risk for several months.

It is unclear what it is about the virus that increases the risk.

“There have been a lot of hypotheses out there,” said Dr. Claribel Wee, a treating physician at the Neuroscience Intensive Care Unit at Upstate University Hospital. “It could be the virus itself or your immune system reacting to the virus attacking the blood vessel walls, which would then cause them to get blood clots.”

Another possible contributor? Rests. You have to do it, but dr. Wee said you might not be moving around as you normally would and that could slow blood flow. So who is most exposed?

“It could be anyone,” said Dr. Woe. “I’ve seen young, healthy people come in with COVID, which is pretty serious, or it could be older people with a lot of what we call comorbidities.”

Blood clots can also move to different places in the body. Here are the symptoms you need to be aware of.

“You may have pain and swelling in your legs. It can be painful to try to walk. One leg may seem larger than the other and red and swollen, especially in your calves. If the blood clots go to your lungs, you may become very shortness of breath, ”said Dr. Wee.

Your heartbeat can also be a sign that it is in your lungs. Dr. Wee said that if blood clots move to your brain, you will experience signs of a stroke.

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