One of the most severe-and poorly understood-complications of COVID-19 is that in some people, the virus causes clotting to form throughout the body, which can cause heart attacks, strokes and pulmonary embolisms, some of which can be fatal. Specific to COVID-19, people with type O blood have a lower tendency to form clots overall. Some blood types seem to be more effective sentries than others. When a virus or bacteria enter the body, those antigens trigger the immune system to fight off the invader. It may be due to antigens, proteins that cover the surface of red blood cells and determine your blood type. For example, people with type O blood tend to become sicker from cholera than people with other blood types. Other peer-reviewed studies have come to the same conclusion about COVID.Īnd scientists have previously found that certain blood types have seem to be more protective against certain illnesses than others. They should also wear a mask when around others and continue to monitor themselves for symptoms for. RELATED: 7 Tips You Must Follow to Avoid COVID, Say Doctors What does this mean? After an exposure, people who are not fully vaccinated should quarantine for at least five days. " The O and Rh− blood groups may be associated with a slightly lower risk for SARS-CoV-2 infection and severe COVID-19 illness," the researchers concluded. The researchers found that people with blood type O had a lower chance of severe COVID illness or death compared to people with other blood types.Īdditionally, people with Rh-negative blood were found to have a lower probability of both infection and serious COVID-19 illness than people with Rh-positive blood. The Blood Type Resulted in "Slightly Lower Risk" of Infection Read on-and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had Coronavirus. The highest probability was in the blood group B positive, at 4.2%. Scientists found that people with blood type O negative had a 2.1% chance of testing positive for coronavirus-the lowest probability among all blood groups. Research published in the journal Annals of Internal Medicine looked at more than 225,000 people who had been tested for COVID-19 between Jan. People with blood type O have a lower chance of being infected with or developing serious illness from COVID-19, a recent study says.
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