"We have so much capability, so many resources in this country... this was all preventable and should not have happened. And yet here we are," he told BBC News on Monday. "And I think we have to reflect on all the ways in which our response went wrong."
At least 90,000 more Americans are expected to have died with the virus by 1 June, according to a recent projection from the University of Washington's Institute for Health Metrics and Evaluation (IHME).