MONDAY, April 5, 2021 (HealthDay Information) — A or B, AB or O, it would not matter — your blood kind has nothing to do together with your danger of contracting extreme COVID-19, a brand new examine concludes.
Early within the pandemic, some studies recommended individuals with A-type blood had been extra inclined to COVID, whereas these with O-type blood had been much less so.
However a evaluate of almost 108,000 sufferers in a three-state well being community has discovered no hyperlink in any respect between blood kind and COVID danger.
“Because the starting of this pandemic, there have been associations postulated between blood kind and illness susceptibility,” mentioned Dr. Amesh Adalja, a senior scholar with the Johns Hopkins Heart for Well being Safety.
“From this massive examine, it seems that there isn’t any affiliation between blood kind and susceptibility or severity, and different explanations had been possible current,” added Adalja, who had no position within the examine.
An early report from China recommended that blood kind would possibly affect COVID danger. Subsequent research from Italy and Spain backed that up, researchers mentioned in background notes.
Nevertheless, different research out of Denmark and america provided combined and conflicting outcomes.
To clear issues up, researchers led by Dr. Jeffrey Anderson, from Intermountain Medical Heart Coronary heart Institute in Murray, Utah, analyzed knowledge from tens of hundreds of sufferers with Intermountain Healthcare, a nonprofit well being system of 24 hospitals and 215 clinics in Utah, Idaho and Nevada.
Of these within the evaluation, almost 11,500 examined optimistic for coronavirus, whereas the remaining examined detrimental.
Blood kind didn’t play a major position in anybody’s danger of contracting COVID, the researchers reported April 5 in JAMA Community Open.
“I’ve at all times mentioned this complete factor with the blood varieties is far hoopla about nothing,” mentioned Dr. Aaron Glatt, chairman of the division of medication and hospital epidemiologist at Mount Sinai South Nassau in Oceanside, N.Y. “It was by no means a major sufficient factor that folks must be terrified if they’ve one type of blood kind or reassured if they’ve one other blood kind. It by no means made any sensible distinction.”