They discovered that blood types A and AB were at a greater risk of severe symptoms than the O or B blood types. For those who were inflicted by the virus, type A was 38 per cent, type B was 26 per cent, type AB was 10 per cent, and type O was 25 per cent.
Among the COVID-19 positive, they found fewer people with blood type O and more people with A, B, and AB types. They were likewise more averse to require ventilation and less inclined to encounter kidney failure.
On the other hand, those who the research deemed more susceptible to falling ill with Covid-19 include the 31 per cent of the population with blood type A and the 2 per cent of the population with blood type AB. The study suggests that people with blood types A, B, or AB may be more likely to be infected with Covid-19 than people with type O. The American Society of Hematology says people with blood type O have both a lower risk of infection and lower chance of severe complications from the virus. No associations were found between non-O blood groups and comorbidities that might explain infection rate differences.
Two retrospective studies in Blood Advances add evidence for an association between blood type and COVID-19 risk, indicating that people with blood type O could be less susceptible to infection and experience milder disease.
A June study found a comparative link: Patients in Italy and Spain with Type O blood had a 50 percent diminished danger of serious coronavirus disease (which means they required intubation or supplemental oxygen) contrasted with patients with other blood types.
A progressing research team implied a connection between coronavirus risk and blood type.
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The second new investigation found that individuals with Type O blood might be at a lower danger of getting he coronavirus in any case comparative with individuals with other blood types.
Anyone with blood type O negative are universal donors as in they can donate their blood to all groups. A study published in July looking at patients in five major hospitals in the state of MA found that people with blood type O were less likely to test positive for COVID-19 than those with other blood types.
Distribution of blood groups was compared with data from non-tested individuals.
According to the news in Scitechdaily, there was no such score for COVID-19 until this study.
Regardless of this developing group of proof, be that as it may, Mypinder Sekhon, a co-creator of the Vancouver study, said the link is as yet questionable.