RIO DE JANEIRO, BRAZIL - The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
Certain blood groups less likely to get COVID-19
A large study adds to evidence that people with type O or Rh−negative blood may be at slightly lower risk from the new coronavirus. 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 . . .