The second is a look at the possible impact blood type could have on your COVID-19 risk. With holiday travel season approaching, many people will be flying to visit family and friends -- even though COVID-19 cases are surging across much of the nation. There are 36 states, and Washington DC, that are seeing double-digit increases in COVID-19 cases over the past week. It’s important to note that there is no evidence to suggest that any blood type is either totally protected or cursed. But there does seem to be mounting evidence that blood type does have an impact.