A scan of your leg may not seem like much, but it could be crucial in the fight against the virus.
As well as providing a detailed picture of what’s happening to your body, a scan also gives you an opportunity to see if there’s any clotting in your blood that’s dangerous.
This can include red blood cells, clotting factors and antibodies.
You can get a scan of both sides of your body at a hospital.
If you’ve got a high risk of getting a clot, it’s likely you need a test to find out.
You need a blood test to check your blood clotting levels, which can include: measuring the amount of blood that flows through your veins