Suara.com – Issues regarding the relationship between blood type and one’s resistance to exposure corona virus heard long enough. Recent research has found that people with blood type O or B have a lower risk of becoming infected with the coronavirus and do not become seriously ill when they are infected Covid-19.
One of the new studies in particular found that Covid-19 patients who have blood type O or B spend less time in the intensive care unit than other patients who have blood type A or AB. They are also less likely to need ventilation and less likely to develop kidney failure.
Quoted from Antara, the two new studies published in the journal Blood Advances corroborate previous research regarding blood type O, in which people with blood type O or B did not experience serious illness when infected with Covid-19.
Researchers at the University of British Columbia, Canada, looked at 95 critically ill Covid-19 patients at a hospital in Vancouver, between February and April.
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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.
Patients who had blood type A or AB stayed for 13.5 days in the ICU. However, the investigators did not see any association between blood type and length of hospital stay.
However, they found that only 61 percent of patients with blood type O or B needed a ventilator, compared with 84 percent of patients with blood type A or AB.
Meanwhile, patients with blood type A or AB are also more likely to need dialysis, a procedure that helps the kidneys filter toxins from the blood.
“Patients in these two blood groups may have an increased risk of organ dysfunction or failure from Covid-19 compared to people with blood type O or B,” the study authors concluded.
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Another study in June found a similar association, in that patients in Italy and Spain with blood type O had a 50 percent lower risk of severe coronavirus infection compared to patients with other blood types.
The research team also examined 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.
That is lower than the prevalence of blood type O in a population of 2.2 million Danes, which is 41.7 percent, so the researchers determined that people with blood type O had disproportionately avoided infection.
“Blood type O was significantly associated with a decreased susceptibility,” said the researchers, as reported by Reuters.
In general, your blood type depends on the presence or absence of proteins called A and B antigens on the surface of red blood cells — a genetic trait that is inherited from parents. People with blood type O do not have antigens. Several other previous studies also concluded the same thing.
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