Covid Blood Type Nyt . More specifically, type O blood may be protective against the novel virus. BLOOD type was not previously a measure associated with coronavirus symptoms, but as the world has continued in its search to understand the new disease, scientists have discovered a link. People With This Blood Type Is More Vulnerable To COVID-19 ... (Terry Nunez) Blood types are determined by genetics. People who have matching blood groups are said to be 'compatible'. However, he acknowledges that several studies have found evidence to support the idea that people with type O blood have a significantly lower risk. However, he acknowledges that several studies have found evidence to support the idea that people with type O blood have a significantly lower risk. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation. Fact check: Are blood type and suscep...