While it's always helpful to know your blood type, the average person won't necessarily need to know that information. While Health is trying to keep our stories as up-to-date as possible, we also encourage readers to stay informed on news and recommendations for their own communities by using the CDC, WHO, and their local public health department as resources. 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. Send it to us at [email protected], and we’ll do our best to provide an answer. But the EMA couldn't rule out a … A Few Covid Vaccine Recipients Developed a Rare Blood Disorder. "The blood … But, overall, the link between blood type, genes, and infection risk is a growing area of research, William Schaffner, MD, an infectious disease specialist and professor at the Vanderbilt University School of Medicine, tells Health. If you have gotten it in the last few weeks, here's what you need to know. A week after receiving the AstraZeneca COVID-19 vaccine, a 37-year-old woman in Norway went to the emergency department with fever and persistent headaches. Blood. Our clinicians do not order blood typing routinely, other than for pregnant patients. There are some theories on why there might be a link: Your red blood cells are covered with molecules that are known as antigens, Thomas Russo, MD, professor and chief of infectious disease at the University at Buffalo, tells Health. "All may acquire COVID-19 and all should take the recommended precautions to reduce the risk.". I was hoping that my daughters who are nurses or work in the medical profession were correct when they told me that the side effects of the Covid-19 vaccine might be lessoned by my being 62 and a Type 1 diabetic for 60 years. You may be aware that there’s no deferral for blood donors after they receive a vaccine against COVID-19. Blood types can also serve as receptors for viruses and bacteria, and that could be another factor, he says. In early March, several countries briefly paused giving people the AstraZeneca COVID vaccine due to concerns about possible rare side effects, including severe blood clots. How Your Period Changes During Your 20s, 30s, and 40s. The U.S. Food and Drug Administration offers similar advice for the Pfizer COVID vaccine. "It's not a suit of armor," he says. "Still, more time is needed to tell what this specifically will mean for patients," he says. Right off the bat, it's important to clarify that much more research is needed, and that even with more research, there's not a whole lot the average person can do about these findings. In early March, several countries briefly paused giving people the AstraZeneca COVID vaccine due to concerns about possible rare side effects, including severe blood clots. Earlier in the pandemic, there was a theory about certain blood types possibly being immune or resistant to COVID-19, has that proven to be true and how does that apply to who should have the vaccine? NINA PULLANO. Tom Hemming Karlsen, MD, PhD, head of research at Oslo University Hospital and co-author of the New England Journal of Medicine study, agrees: "I don't see immediate benefits," he tells Health. MIT Medical answers your COVID-19 questions. According to Public ... the MHRA and other bodies are investigating reports of a rare type of blood … 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. The reason behind this association remains unclear. If your clinician has ordered medically necessary blood typing for you in the past, the result would be available in your patient portal. 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. The information in this story is accurate as of press time. An error has occurred and your entry was not submitted. this link is to an external site that may or may not meet accessibility guidelines. The researchers noted that people with type O blood who participated in their study were up to 18% less likely to test positive for COVID-19 than people with other blood types. If so, how can I get that information? It's also important to note that there have been links between blood type and diseases in the past. Here, experts weigh in on what you really need to know. All products and services featured are selected by our editors. Federal official: CDC, FDA taking reports of blood clots and J&J Covid-19 vaccine 'seriously'. Find out more here. Here are the ones you need to pay attention to, and how to know if you may have an anxiety disorder. The Best (and Worst) Diets of 2020, According to Experts, 10 Moves for a Cardio Workout at Home—No Equipment Required. Information contained in this story may be outdated. "There is no real benefit for the individual person," Torben Barington, DMSc, a clinical professor of immunology at the University of Southern Denmark and co-author of the Danish study, tells Health. 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. 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. 20 Things You Should Throw Away for Better Health. 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. For current information about MIT Medical’s services, please see relevant areas of the MIT Medical website. A very rare type of blood clot has affected six people who have taken the Johnson & Johnson Covid-19 vaccine. The pause was recommended after reports of six cases of a rare and severe type of blood clot in individuals following administration of the Janssen COVID-19 Vaccine… coronavirus, vaccines. Here's What to Do. 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. So while it's tempting to want to run out and get your blood tested, Dr. Karlsen says that's not necessary. But again, experts really don't know what's behind all of this. The U.S. Food and Drug Administration offers similar advice for the Pfizer COVID vaccine. Health.com is part of the Meredith Health Group. People with blood type O have a lower chance of being infected with or developing serious illness from COVID-19, a study says. ", RELATED: 3 Types of COVID-19 Tests, and Which One Is the Most Accurate, Honestly, more research. Or, Dr. Russo says, there may be some other, completely different component of type O blood that works to prevent infection. My understanding is that people with Type O blood are less susceptible than people with other blood types. RELATED: Swine Flu Vs. COVID-19: Here's How the Two Pandemics Compare, According to Experts. The biotechnology company 23andMe—the same one that provides genetic testing an analysis—also shared in a June blog post that preliminary results from its ongoing genetic study of COVID-19 suggested that type O blood "appears to be protective" against the virus. "I'm petrified," the actress said when she shared the news that her breast cancer came back. coronavirus, vaccines. Here's why a stage 4 breast cancer diagnosis can be so frightening. Knowledge of your blood type is usually only important if you're undergoing a blood transfusion or organ transplant—but in those situations, your medical team will test your blood type beforehand. The AstraZeneca vaccine and the Johnson & Johnson vaccine are highly effective vaccines that will prevent you from having severe illness, hospitalization … Stay in your living room and still spike your heart rate. If you have gotten it in the last few weeks, here's what you need to know. From easier cramps to a heavier flow, here's a guide on what to expect decade by decade. It was this data that led Canadian researchers to suggest that those with type A or AB blood were at a higher risk of greater disease severity or requiring mechanical ventilation than those with type O or B blood. And here I thought I was busted not robust. Dr. Russo points out that none of the data found that people with type O blood couldn't get COVID-19 or wouldn't have a severe form of the disease: It's just that they seem to be less likely to. The most recent studies were published in the journal Blood Advances, both on October 14. Both of these studies were posted to the MedRxiv website, where researchers share preliminary, unpublished data, before it has undergone peer review. Transfusion. Of course, your blood type is not a risk factor over which you have any control. Shannen Doherty Reveals Stage 4 Breast Cancer Diagnosis—Here's What It Means. What are the most common side-effects from the Covid vaccines? As far as determining your blood type, it’s unlikely to be part of your medical record at MIT Medical. 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. 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. You shouldn’t panic if you have Type A blood, and you shouldn’t feel complacent if you’re Type O. Clean out expired products and clutter to make way for a healthier you. 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. Got a question about COVID-19? How to handle a physician who doubts or dismisses your symptoms. The symptoms of anxiety can be hard to detect. A link to the vaccines is not certain, and investigations are underway in some reported cases. Published Thursday, March 4, 2021 4:46PM EST TORONTO -- SARS-CoV-2, the virus that causes COVID-19, may latch more easily onto the airway cells of … "We need to understand the biological mechanisms related to the ABO association first," he says. Type O blood, the most common in the U.S., provides some protection against COVID. "This doesn't mean that you can't get infected, and that's the important message here," he says. "It's real," Says Researcher About Link of Blood Type and COVID Risk According to the new study, those with Type A blood are more likely to become infected with COVID-19 due to the blood type providing a "stickier" environment for the virus to cling to. "As an individual, you have your blood type—there's nothing you can do about it.". The question of a possible relationship between blood type and disease risk has been a topic of active research since early in the pandemic. A very rare type of blood clot has affected six people who have taken the Johnson & Johnson Covid-19 vaccine. And, Dr. Schaffner warns, don't get cocky if you have type O blood. The second study, this time from researchers in Canada, looked at data from 95 patients who were severely ill with COVID-19. The Link Between Blood Type and COVID-19 Risk, Explained. March 7, 2021. https://news.yahoo.com/blood-type-not-covid-19-191002202.html So far, the clots have appeared in about 5 people for every 1 million vaccinated. 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. 12 Anxiety Symptoms That Might Point to a Disorder. That means practicing social distancing, wearing a mask in public, and washing your hands regular, among other things. Research published in the journal Annals of Internal Medicine looked at more than 225,000 people who had been tested for COVID-19 between Jan. 15 and June 30, 2020. Yet another study of 1,559 people in New York found that those who had type O blood were less likely to test positive for the coronavirus; People with type A blood were 33% more likely to test positive. Astrazeneca Covid vaccine Q&A: What we know about blood clots, side effects and risks for under-30s The UK medicines regulator says the benefits of the AstraZeneca vaccine … The first study, conducted by Danish researchers, analyzed data from 7,422 people in Denmark who tested positive, and compared that to blood type information available for 2,204, 742 people in Denmark (those people were not tested for COVID-19). "At the end of the day, we're still not sure if blood type makes a difference," Dr. Russo says. Federal official: CDC, FDA taking reports of blood clots and J&J Covid-19 vaccine 'seriously' The good news is that it's not complicated to treat VITT, the experts agreed. Blood types are split up into four major groups, all dependent on the presence or absence of two certain antigens on the surface of the blood: A and B, according to the American Red Cross. These antigens help prompt a response from your body's immune system. If you don't know, you're not alone: Fewer than 57% of all Americans know their blood type, according to a 2019 survey from Quest Diagnostics. "As always with findings from so called 'hypothesis-free research,' one first has to understand the reason for the association"—which is something experts are still working on for COVID-19 and blood type. 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 you have an appointment scheduled and need to change your donation date based on the above guidance, click here. One of these areas contains genes that determine blood type along with other genes that are known to be associated with immune function. This news story has not been updated since the date shown. The AstraZeneca COVID-19 vaccine is safe and does not appear to cause blood clots, says the European Medicines Agency, after a review by an expert committee. … Del Rio added that the blood clotting may be connected to how the Johnson & Johnson vaccine is an adenovirus vector vaccine-- the same type as AstraZeneca's coronavirus vaccine… I have read that people with certain blood types are more susceptible to contracting COVID-19. So far, the clots have appeared in about 5 people for every 1 million vaccinated. 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. While it's unclear what's going on with the link between blood type and COVID-19, "there has been ongoing research work to identify the risk factors that increase the risk of COVID infection," Anupama Nehra, MD, an assistant professor at the Rutgers New Jersey Medical School and clinical director of hematology oncology at Rutgers Cancer Institute at University Hospital, tells Health. That might help better understanding of the disease," Dr. Russo says. The pause was recommended after reports of six cases of a rare and severe type of blood clot in individuals following administration of the Janssen COVID-19 Vaccine. 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. 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. The CDC Says Small Gatherings Are Causing a Surge in COVID-19 Cases—What Exactly Does That Mean? Dr. Karlsen says he hopes his work will help "feed information" to the research community. Among the 34 million people who have received at least one dose of the vaccine in Europe, there have been at least 222 suspected cases , and more than 30 deaths, caused by these rare side effects. Eligible blood donors who received a live attenuated COVID-19 vaccine or do not know what type of COVID-19 vaccine they received must wait two weeks before giving blood. Shannen Doherty Reveals Stage 4 Breast Cancer Diagnosis—Here's What It Means, 10 Moves for a Cardio Workout at Home—No Equipment Required, Right to Care: Health Diversity and Inclusion. There's actually a fair amount of research on this topic at this point. Doctors explain how to tell if you have a head cold or something more serious that requires medical attention, such as the flu, strep throat, meningitis, or mono. Please try again. Quick, what's your blood type? According to two studies published in the journal, Blood found that the two-dose mRNA Covid-19 vaccine may be less effective in people undergoing blood cancer treatment. "It will be interesting to explore if these blood type antibodies are helpful for preventing infection. And would my blood type be part of my record at MIT Medical — maybe from lab work I’ve had done in the past? 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