{"id":61953,"date":"2020-10-17T20:32:40","date_gmt":"2020-10-17T17:02:40","guid":{"rendered":"https:\/\/nasimword.ir\/?p=61953"},"modified":"2020-10-17T20:32:40","modified_gmt":"2020-10-17T17:02:40","slug":"blood-type-may-play-a-role-in-covid-19-infection-new-research-suggests","status":"publish","type":"post","link":"https:\/\/nasimword.ir\/?p=61953&lang=en","title":{"rendered":"Blood type may play a role in COVID-19 infection, new research suggests"},"content":{"rendered":"

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New research suggests a link between blood type and infection risk \u2014 but that won’t change how doctors treat patients.<\/p>\n

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A growing body of evidence suggests that\u00a0blood type may play a role<\/a>\u00a0in the risk of becoming infected with the coronavirus or developing life-threatening complications from the illness.<\/p>\n

But it does not mean that any single blood type is more protective or more dangerous regarding COVID-19, and the evidence may indeed raise more questions than answers.<\/p>\n

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Two studies on the topic were published Wednesday in the journal\u00a0Blood Advances<\/a>, a publication of the American Society of Hematology.<\/p>\n

In the\u00a0first<\/a>, researchers in Denmark looked back at data on 473,654 people tested for COVID-19 from February to July. Most results were negative; just 7,422 tests came back positive.<\/p>\n

Blood type, the researchers found, stood out as a potential key difference between the two groups.<\/p>\n

“Blood group O is significantly associated with reduced susceptibility to SARS-CoV-2 infection,” the study authors wrote, meaning that people with type O blood seemed to be less likely to become infected. SARS-CoV-2 is the virus that causes COVID-19.<\/p>\n

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The findings of the study are limited because blood type information was available for just 62% of those who were tested.<\/p>\n

It is also important to note that people with type O blood can and do become infected.<\/p>\n

“The study suggests if you have type O, you have a slightly lower risk,” Dr. Roy Silverstein, chair of medicine at the Medical College of Wisconsin, said. “But it’s a small decrease,” he said, adding that blood type does not equate to 0% risk. Silverstein, who is also a former president of the American Society of Hematology, was not involved with the new studies.<\/p>\n

What’s more, Silverstein pointed out, the new research will not alter how doctors treat COVID-19 patients.<\/p>\n

“They’re not going to treat someone who comes into the hospital with type O differently than type A,” he said. “The differences are just not that large.”<\/p>\n

Still, a second\u00a0smaller study<\/a>\u00a0also published Wednesday seems to boost those findings. Researchers in Canada looked at data on 95 COVID-19 patients in Vancouver from February to April. All were sick enough to be hospitalized in intensive care units.<\/p>\n

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Again, researchers found differences in blood types. This time, certain types appeared to be associated with worse outcomes.<\/p>\n

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“A higher proportion of COVID-19 patients with blood group A or AB required mechanical ventilation and had a longer ICU stay compared with patients with blood group O or B,” the study authors wrote.<\/p>\n

Types A and AB were also more likely to need a type of dialysis that helps the kidneys filter blood without too much pressure on the heart.<\/p>\n

There are important caveats to consider from the new research. There is zero indication that any blood type is either totally protective or dooms a patient to severe outcomes of COVID-19.<\/p>\n

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Public health officials say that people with any blood type need to take the same mitigation precautions, such as wearing a mask and maintaining physical distancing and effective hand-washing. These studies only suggest an association between blood types and COVID-19 outcome, not cause and effect.<\/p>\n

Still, a link between blood type and severity of diseases is not unheard of. People with blood type O, for example, tend to become sicker from\u00a0cholera\u00a0<\/a>than people with other blood types. Cholera is a bacterial infection that affects the small intestine.<\/p>\n

Silverstein called the new research “interesting cocktail party conversation.”<\/p>\n

Maybe with further study, he said, “it could lead to new approaches for prevention or therapy.”<\/p>\n

“But at the present time, there is no reason to think that if you have type O blood, you’re protected from COVID-19.”<\/p>\n

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New research suggests a link between blood type and infection risk \u2014 but that won’t change how doctors treat patients. A growing body of evidence suggests that\u00a0blood type may play a role\u00a0in the risk of becoming infected with the coronavirus or developing life-threatening complications from the illness. But it does not mean that any single …<\/p>\n","protected":false},"author":31,"featured_media":61954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[58978],"tags":[63808],"yoast_head":"\nBlood type may play a role in COVID-19 infection, new research suggests - Nasim Word<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nasimword.ir\/?p=61953&lang=en\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blood type may play a role in COVID-19 infection, new research suggests - Nasim Word\" \/>\n<meta property=\"og:description\" content=\"New research suggests a link between blood type and infection risk \u2014 but that won’t change how doctors treat patients. A growing body of evidence suggests that\u00a0blood type may play a role\u00a0in the risk of becoming infected with the coronavirus or developing life-threatening complications from the illness. 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