The statistical analysis determined the independent effect of blood type on intubation and/or death of these infected patients. The study in Wuhan also found those with Type A blood are more likely to die from COVID-19. SARS-CoV-2, the virus that causes COVID-19, may latch more easily onto the respiratory cells of those with type A blood than any other blood group, according to a new study. In a multi-institutional study, all adult patients who tested pos … Blood type and outcomes in patients with COVID-19 Ann Hematol. Information for the HMS Community (Updated April 2021). Which publications would you like to receive? Results: The most frequently detected blood group was blood group A (57%) amongst the COVID-19 patients. The researchers found that people with blood type O had a lower chance of severe COVID illness or death compared to people with other blood types. An intriguing finding from the study was that there appeared to be a greater chance of people with blood types B and AB who were Rh positive testing positive for the virus. If your clinician has ordered medically necessary blood typing for you in the past, the result would be available in your patient portal. Here, we use observational healthcare data on 14,112 individuals tested for … Get free email updates. This study aimed to determine if there is an association between ABO blood type and severity of COVID-19 defined by intubation or death as well as ascertain if there is variability in testing positive for COVID-19 between blood types. These studies are fascinating from a scientific perspective, but at this point, they have no practical implications for the way we live our lives and the precautions we should be taking to protect others and ourselves. The researchers found that people with blood type O had a lower chance of severe COVID illness or death compared to people with other blood types. Adapted from a Mass General news release. The blood group A was statistically significantly more frequent among those infected with COVID-19 compared to controls (57% vs. 38%, P < 0.001; OR: 2.1). A recent study coauthored by Canadian Blood Services’ chief scientist, Dr. Dana Devine, shows that people with blood groups A or AB are more likely to have a severe COVID-19 infection than people with blood groups B or O. Yet use of genetic and blood type information in discussions about COVID-19 poses several critical ethical concerns. … Information contained in this story may be outdated. This study aimed to determine if there is an association between ABO blood type and severity of COVID-19 defined by intubation or death as well as ascertain if there is variability in testing positive for COVID-19 between blood types. Among 225,556 Canadians who were tested for the virus, the risk for a COVID-19 diagnosis was 12% lower and the risk for severe COVID-19 or death was 13% lower in people with blood group O … For current information about MIT Medical’s services, please see relevant areas of the MIT Medical website. Or, they suggest, perhaps the genes associated with blood type also have some effect on the ACE2 receptor, the protein that allows the SARS-CoV-2 virus to infect human cells. , dispel previous reports that suggested a correlation between certain blood types and COVID-19. The results of the present study suggest that while the blood group A might have a role in increased susceptibility to the COVID-19 infection, the blood group O might be somewhat protective. This, however, does not mean they … HMS researchers at Mass General launched their own investigation by drawing on the massive database of the Mass General Brigham Health system’s Research Patient Data Registry. The analysis turned up gene variants in two regions of the human genome that were associated with severe illness and greater risk of COVID-19-related death. 617-432-1000, © 2021 by The President and Fellows of Harvard College, Olfactory support cells, not neurons, are vulnerable to novel coronavirus infection. SALT LAKE CITY (ABC4) – Your blood type does not affect your risk of contracting COVID-19 or developing severe disease, according to a new study. , HMS assistant professor of surgery at Mass General. Infection Lowest risk for blood type O. "Blood type is not the only factor in disease … What type of patients are most at risk for the blood clots? Experts say … But an even better way to get your blood type tested is to donate blood, which, by the way, is still a safe thing to do, even during a pandemic. Send it to us at CovidQ@mit.edu, and we’ll do our best to provide an answer. Research Departments, Centers, Initiatives and more, Celebrating 50 Years of Diversity and Inclusion, Resources on Health Disparities and COVID-19. GWAS is a methodology used in genetics research to identify specific genetic variations associated with particular diseases. Their findings, published in the Annals of Hematology, dispel previous reports that suggested a correlation between certain blood types and COVID-19. Our clinicians do not order blood typing routinely, other than for pregnant patients. Researchers analyzed data on nearly 108,000 people from Utah, Idaho, and Nevada who were tested for COVID-19 and whose blood type was listed in their medical records. The reason behind this association remains unclear. The Danish research project was based on data register information from 2.7 million people in the country whose blood type has been tested and recorded on the country’s health database. Other Facts May Complicate Your Chances of Infection. Scientists racing to understand behavior, spread of mutating virus, What we learned about treating COVID-19 in Year One of the pandemic, On Match Day, 2021, MD students learned where they'll serve residencies, How SARS-CoV-2 mutations allow the virus to dodge immune defenses, This article is part of Harvard Medical School’s. A study published in late 2020 in Annals of Internal Medicine, revealed that people with type O or Rh−negative blood may be at slightly lower risk from COVID-19. “We showed through a multi-institutional study that there is no reason to believe being a certain ABO blood type will lead to increased disease severity, which we defined as requiring intubation or leading to death,” said senior study author. ABO blood group has been one focus of research, with studies showing that individuals with blood type A may be more likely to develop COVID-19 and … Rh Negative Facts Mike Dammann December 3, 20200 Clarifications: COVID-19 and Rh negative blood types Please keep in mind that the study has yet to be peer-reviewed. this block intentionally left blank by CSS, Positive tests: Isolation, quarantine, and re-testing FAQ, Student/Affiliate Extended Insurance Plan FAQ. The first hint of a possible relationship came in March, from researchers in China, who compared nearly 2,200 hospitalized COVID-19 patients to a control group of approximately 27,000 healthy individuals. Intubation Low risk: Blood type A. Even stronger evidence was assembled by the team that symptomatic people with blood type O were less likely to test positive. Dr Stowell said: “Our observation is not the only mechanism responsible for what we are seeing clinically, but it could explain some of the influence of blood type on COVID-19 infection.” The study was published in Blood Advances (Wu et al., 2021). While the distribution of blood types is different in New York City than in Wuhan and Shenzhen, after controlling for other risk factors, they found that individuals with Type A blood were 34 percent more likely to test positive for the coronavirus, while having Type O or AB blood was associated with a lower probability of testing positive. However, they did not find strong evidence for a relationship between blood group and risk of intubation or death. “We showed through a multi-institutional study that there is no reason to believe being a certain ABO blood type will lead to increased disease severity, which we defined as requiring intubation or leading to death,” said senior study author Anahita Dua, HMS assistant professor of surgery at Mass General. According to their data, those with O blood type are between 9-18% percent less likely than individuals with other blood types to have tested positive for COVID … The authors of the NEJM study hypothesize that different combinations of A and B antigens may change how the immune system produces infection-fighting antibodies or have some other, unknown effect on how the body responds to infection. MONDAY, April 5, 2021 (HealthDay News) -- A or B, AB or O, it doesn't matter -- your blood type has nothing to do with your risk of contracting severe COVID-19, … Type O blood, the most common in the U.S., provides some protection against COVID. Of the people who tested positive for COVID-19, 38.4% had type O blood—that's compared to 41.7% of the entire Danish population having type O … However, a genome-wide association study (GWAS) recently published in the New England Journal of Medicine (NEJM) is both consistent with, and potentially explains, these earlier results. “Inflammation is a particularly important finding because prevailing scientific thought is that COVID-19 wreaks havoc on the body through systemic inflammation, which can lead to morbidity and death,” Dua said. Blood type is not associated with a severe worsening of symptoms in people who have tested positive for COVID-19, report Harvard Medical School researchers based at Massachusetts General Hospital. 30. Scientists discover why blood type may matter for COVID infection. WEDNESDAY, March 3, 2021 (HealthDay News) -- A new study provides further evidence that people with certain blood types may be more likely to contract COVID-19. In other words, something else might affect the connection between blood types and coronavirus disease. Latz et al. of medicine, biomedical research, medical education and policy related to the SARS-CoV-2 pandemic and the disease COVID-19. As far as determining your blood type, it’s unlikely to be part of your medical record at MIT Medical. To stem the coronavirus crisis, Harvard Medical School scientists forge ahead on six key fronts. This was followed by blood group O (24.8%). In a multi-institutional study, all adult patients who tested pos … People with blood type O are less like to become infected with coronavirus than people of blood types A, B and AB, according to the Aarhus University and University of Southern Denmark study. Of course, your blood type is not a risk factor over which you have any control. A study population of 1,289 symptomatic adult patients, who tested positive for COVID-19 and had their blood group documented, was culled from more than 7,600 symptomatic patients across five Boston-area hospitals, including Mass General and Brigham and Women’s Hospital, treated from March 6 to April 16 of this year. Blood type is not associated with a severe worsening of symptoms in people who have tested positive for COVID-19, report Harvard Medical School researchers based at Massachusetts General Hospital. Blood type does not affect susceptibility to COVID-19 in U.S. patients, a new study suggests. This Blood Type May Develop COVID Antibodies. I have read that people with certain blood types are more susceptible to contracting COVID-19. This news story has not been updated since the date shown. (CNN) People with blood type O may be less vulnerable to Covid-19 and have a reduced likelihood of getting severely ill, according to two studies published Wednesday. WEDNESDAY, March 3, 2021 (HealthDay News) -- A new study provides further evidence that people with certain blood types … How exactly does SARS-CoV-2 cause disease? Individuals with O blood type are between 9-18% percent less likely than individuals with other blood types to have tested positive for COVID-19, … The question of a possible relationship between blood type and disease risk has been a topic of active research since early in the pandemic. Research … “These findings need to be further explored to determine if there is something inherent in these blood types that might potentially confer protection or induce risk in individuals,” Dua said. MONDAY, April 5, 2021 (HealthDay News) -- A or B, AB or O, it doesn't matter -- your blood type has nothing to do with your risk of contracting severe COVID-19, a new study concludes. Type A blood was associated with a 45 percent increased risk of having respiratory failure, while Type O was associated with a 35 percent reduction in risk. And would my blood type be part of my record at MIT Medical — maybe from lab work I’ve had done in the past? Additionally, people with Rh-negative blood were found to have a lower probability of both infection … Their findings, published in the Annals of Hematology, dispel previous reports that suggested a correlation between certain blood types and COVID-19. One of these areas contains genes that determine blood type along with other genes that are known to be associated with immune function. The risk for individuals for Type O blood appeared to be significantly lower, just 26 percent of the cases versus 34 percent of the healthy control group. Conversely, 44.4% of those who tested positive for COVID-19 had type A blood, while only 42.4% of the Danish population has that blood type. O and Rh-negative blood types may already have COVID-19 antibodies. One, for instance, suggests that people with Type A may have a higher risk of catching Covid-19 and of developing severe symptoms while people with Type O blood … They observed that individuals with Type A blood appeared to be at significantly higher risk of contracting the virus — constituting nearly 38 percent of the ill patients, compared with the 31 percent of healthy individuals with this blood type. A health worker draws blood during COVID-19 antibody testing in Pico Rivera, Calif., on Feb. 17. Scientists Discover Why Blood Type May Matter for COVID Infection. This study came after, early in the pandemic, other […] In the general population Type O blood (34%) is more common than A … Intermountain Healthcare says during the study, its researchers examined outcomes of more than 100,000 patients who were tested for the virus. MIT Medical answers your COVID-19 questions. The NEJM study analyzed genetic data from more than 1,600 patients who had been hospitalized with severe cases of COVID-19 in Italy and Spain and compared them with about 2,200 uninfected individuals. The study looked at patients critically ill with COVID-19 in the intensive care units of two major Vancouver hospitals. Is this true? En español | In the last several months, a number of studies have drawn a connection between blood type and COVID-19 risk, and most have reached the same conclusion: People with type O blood, the most common kind, may have a slight advantage over their peers when it comes to risk for a coronavirus infection and hospitalization or death from COVID-19. So, keep wearing that mask, socially distancing, and washing your hands — actions that are proven to reduce the risk of illness for people of every blood type. Both of these studies were posted to the MedRxiv website, where researchers share preliminary, unpublished data, before it has undergone peer review. … (HealthDay)—A new study provides further evidence that people with certain blood types may be more likely to contract COVID … People with blood type O have a lower chance of being infected with or developing serious illness from COVID-19, a recent study says. Shutterstock The researchers at St. Michael's Hospital in Toronto, Canada, examined the test results of 225,556 Canadians who had been tested for COVID-19 between Jan. 15 and Jun. You shouldn’t panic if you have Type A blood, and you shouldn’t feel complacent if you’re Type O. Got a question about COVID-19? In April, researchers at Columbia University reported similar risks associated with Type A blood after blood-typing more than 1,500 New Yorkers and testing them for COVID-19. If not, you can order an inexpensive kit to test your blood at home by pricking your finger to get a small blood sample, which you can then mix with antibodies to the A and B antigens that come on the card. For now, though, the researchers are confident that their principle finding—that ABO blood typing should not be considered prognostic in patients who acquire COVID-19—will help debunk the kinds of clinically unfounded rumors and misinformation that can readily gain traction in the midst of a pandemic, and in some cases become part of accepted medical practice. This article is part of Harvard Medical School’s continuing coverage of medicine, biomedical research, medical education and policy related to the SARS-CoV-2 pandemic and the disease COVID-19. 25 Shattuck Street Individuals possessing genetics or blood types associated with lower risk may erroneously assume that they can protect themselves less, and hence less frequently wear masks or wash their hands after possible exposures. Individuals with Type A blood type also represented a higher percentage of patients who succumbed to the illness — 41 percent versus 25 percent for Type O. WEDNESDAY, March 3, 2021 (HealthDay News) -- A new study provides further evidence that people with certain blood types may be more likely to contract COVID-19. Patients with blood type O were less likely to test positive (Figure). The rise of COVID-19 in all corners of the world sent scientists scrambling to find characteristics that might render individuals more susceptible to the virus, as well as risk factors that might intensify its severity and progression. What can genetics reveal about the coronavirus pandemic? … Blood type does not affect susceptibility to COVID-19 in U.S. patients, a new study suggests. And, in fact, these researchers, like the researchers in China and New York City, found a higher risk for severe illness among individuals with Type A blood and a protective effect for Type O. However, once infected, blood group type does not seem to influence clinical outcome. 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