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A genetic analysis of COVID-19 patients suggests that blood type might influence whether someone develops severe disease.Scientists who compared the genes of thousands of patients in Europe found that those who had Type A blood were more likely to have severe disease while those with Type O were less likely.Wednesday’s report in the New England Journal of Medicine does not prove a blood type connection, but it does confirm a previous report from China of such a link.“Most of us discounted it because it was a very crude study,” Dr. Parameswar Hari, a blood specialist at the Medical College of Wisconsin, said of the report from China. With the new work, “now I believe it,” he said. “It could be very important.”Other scientists urged caution.The evidence of a role for blood type is “tentative ... it isn’t enough of a signal to be sure,” said Dr. Eric Topol, head of the Scripps Research Translational Institute in San Diego.The study, involving scientists in Italy, Spain, Denmark, Germany and other countries, compared about 2,000 patients with severe COVID-19 to several thousand other people who were healthy or who had only mild or no symptoms. Researchers tied variations in six genes to the likelihood of severe disease, including some that could have a role in how vulnerable people are to the virus. They also tied blood groups to possible risk.Most genetic studies like this are much larger, so it would be important to see if other scientists can look at other groups of patients to see if they find the same links, Topol said.Many researchers have been hunting for clues as to why some people infected with the coronavirus get very ill and others, less so. Being older or male seems to increase risk, and scientists have been looking at genes as another possible “host factor” that influences disease severity.There are four main blood types — A, B, AB and O — and “it’s determined by proteins on the surface of your red blood cells,” said Dr. Mary Horowitz, scientific chief at the Center for International Blood and Marrow Transplant Research.People with Type O are better able to recognize certain proteins as foreign, and that may extend to proteins on virus surfaces, Hari explained.During the SARS outbreak, which was caused by a genetic cousin of the coronavirus causing the current pandemic, “it was noted that people with O blood type were less likely to get severe disease,” he said.Blood type also has been tied to susceptibility to some other infectious diseases, including cholera, recurrent urinary tract infections from E. coli, and a bug called H. pylori that can cause ulcers and stomach cancer, said Dr. David Valle, director of the Institute of Genetic Medicine at Johns Hopkins University.Bottom line: “It’s a provocative study. It’s in my view well worth publishing and getting out there,” but it needs verification in more patients, Valle said.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 3086

A family is furious with a Dearborn Heights, Michigan elementary school after they say their 5-year-old son was assaulted and humiliated in front of his class. 167

A Ferguson activist whose son was found dead near her home said she believes he was killed -- even as police investigate the man's death as a suicide.Danye Jones was found on Oct. 17 in a wooded area in St. Louis County, police said. His mother, Melissa McKinnies, said family members found him hanging by a bed sheet from a tree behind their home.By the time police arrived at the scene, the victim was lying on the ground, St. Louis County Police spokesman Shawn McGuire said Thursday.There were no signs of trauma or foul play, and detectives are investigating his death as a suicide after talking to several relatives and friends, he said. 651

A major winter storm is threatening to deliver snow, ice and flooding across much of the United States over the next few days.Over 20 million people are under winter storm watches and warnings from New Mexico to North Carolina, where authorities have declared a statewide emergency as some areas could get over a foot of snow."Snow may be beautiful but it can also be treacherous and I urge North Carolinians to take this storm seriously and get ready for it now," Gov. Roy Cooper said in a statement.As this multifaceted storm develops this weekend, here is what meteorologists are expecting, where and when: 617

A Delonte West update, as people close to the ex-NBA player going through very difficult personal struggle continue to offer help: Sources say Mavs owner Mark Cuban reunited West with his mother in Dallas on Monday — and now West has checked into rehab facility in Florida.— Shams Charania (@ShamsCharania) September 29, 2020 333