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This blood type is protective against COVID, study says

This blood type is protective against COVID, study says


Mangalore Today News Network / Yahoo

New Delhi, Mar 02, 2021:     People with blood type O have a lower chance of being infected with or developing serious illness from COVID-19, a study says. 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 15 and June 30, 2020.


Covid-19


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. The highest probability was in the blood group B positive, at 4.2%. Read on—and to ensure your health and the health of others, don’t miss these Sure Signs You’ve Already Had Coronavirus.

The Blood Type Resulted in "Slightly Lower Risk" of Infection

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.

Additionally, 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 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.

What does this mean?

The results are not entirely surprising. Other peer-reviewed studies have come to the same conclusion about COVID.

And scientists have previously found that certain blood types have seem to be more protective against certain illnesses than others. For example, people with type O blood tend to become sicker from cholera than people with other blood types.

It may be due to antigens, proteins that cover the surface of red blood cells and determine your blood type. When a virus or bacteria enter the body, those antigens trigger the immune system to fight off the invader. Some blood types seem to be more effective sentries than others.

Specific to COVID-19, people with type O blood have a lower tendency to form clots overall. 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.

For now, these are theories that are undergoing further study. But right now, a few things are clear: People with type O blood are not immune from the coronavirus. No matter what your blood type, you should follow all public health recommendations to avoid contracting or spreading COVID-19.

How to survive this pandemic

As for yourself, do everything you can to prevent getting—and spreading—COVID-19 in the first place: Wear a face mask, get tested if you think you have coronavirus, avoid crowds (and bars, and house parties), practice social distancing, only run essential errands, wash your hands regularly, disinfect frequently touched surfaces.


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