Research Proves Blood Type O Is Called Safer than Covid-19

Research proves that the transmission of Covid-19 has something to do with a person’s blood type. Several studies have found that someone with blood type O is said to have a low risk during the Covid-19 pandemic.

Reporting from Science Alert, Sunday (18/10), two studies published this week showed that people with type O blood have a lower risk of contracting the corona virus. Even if infected, the risk of developing a severe condition is very small.

One of the new studies in particular found that Covid-19 patients with blood type O or B spend less time in intensive care units. Compared to those with type A or AB. Blood Type O patients were also less likely to need a ventilator and less likely to develop kidney failure.

The two new studies came out last week in the journal Blood Advances. One person looked at 95 critically ill Covid-19 patients at a hospital in Vancouver, Canada, between February and April. They found that patients with blood type O or B spent an average of 4.5 days less in the intensive care unit than those with blood type A or AB. Groups A and B spent a median of 13.5 days in the ICU.

Researchers also found that only 61 percent of patients with blood type O or B needed a ventilator. Meanwhile, 84 percent of patients with blood type A or AB need a ventilator. Meanwhile, patients with type A or AB are also more likely to need dialysis or dialysis, procedures that help the kidneys filter toxins from the blood.

“Patients in these two blood groups (A and AB) may have an increased risk of organ dysfunction or failure due to Covid-19 compared to people with blood type O or B,” the study authors concluded.

A study in June found a similar relationship. Patients in Italy and Spain with blood type O have a 50 percent lower risk of severe coronavirus infection compared to patients with other blood types. People with blood type O are safer.

In another study, the research team studied nearly half a million people in the Netherlands who were tested for Covid-19 between the end of February and the end of July. Of the approximately 4,600 people who tested positive and reported their blood type, 38.4 percent had type O blood.

“Blood type O is significantly associated with less risk,” the authors write.

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Why is that?

Another study found a similar relationship between blood type and the risk of Covid-19. In general, blood group depends on the presence or absence of proteins called A and B antigens on the surface of red blood cells (a genetic trait inherited from parents). People with O blood do not have antigens. It is the most common blood type.

The new study of blood type and coronavirus risk is in line with previous research on the topic. A study published in July found that people with type O were less likely to test positive for Covid-19 than those with other blood types.

Meanwhile, in March, a study of more than 2,100 coronavirus patients in the Chinese cities of Wuhan and Shenzhen also found that people with blood type O had a lower risk of infection.

Previous research on the SARS virus has also shown that people with blood type O are less susceptible. A 2005 study in Hong Kong found that most people infected with SARS had non-O blood types.


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