The comments come less than a week after Trump's campaign adviser Jason Miller said that Welker would do an 'excellent' and 'very fair' job moderating the third debate
The outage comes just a day after Twitter made an unprecedented move to limit the spread of a controversial New York Post article criticizing US presidential candidate Joe Biden
The studies prove that blood type plays a major role in a person's susceptibility to infection and their chance of having a severe bout of the disease.