New evidence shows that 49% of people with type O blood in Australia may have a slightly lower risk of infection with covid-19 than others, according to australia.com. < / P > < p > a number of studies have reached the same conclusion, including gene screening company 23andMe and the study published on. < / P > < p > studies have shown that type O blood is associated with a lower risk of infection. People with type O blood are less likely to have severe diabetes, according to the study. < / P > < p > “so far, the evidence is still preliminary. It’s interesting, and it’s reviving the debate about the blood group system Said Dr. mcfadien, a senior researcher at the baker heart and Diabetes Institute. < / P > < p > we have at least 42 different blood group systems, including a, B, AB and O blood groups, but some blood groups increase or reduce the risk of individual diseases. < / P > < p > Professor Owen, head of research at the Australian Red Cross, said, “if you can get the answer to this question, then this person can win the Nobel Prize.” < / P > < p > the latest study linking the risk of covid-19 with blood type comes from 23andMe, one of the pioneers in commercialization of genetic testing. Members Send saliva samples to 23andMe, and then they send back the DNA report. < / P > < p > 23andMe conducted a survey of its 1.05 million members to ask if they were tested positive for covid-19. The researchers compared these results with their genomes, looking for patterns. < / P > < p > the study was uploaded to medrxiv last week. It has not been peer-reviewed or published in academic journals, which means the finding needs to be treated with caution. After pregnancy, do not let the wife do these five kinds of housework, the husband should be responsible for it, otherwise it is easy to hurt the fetus!