CDC director says federal government does not know how much Covid vaccine the U.S. has CNBCNew CDC director said Biden administration is struggling with lack of vaccine data NBC NewsCDC director admits 'we don't have as many doses as we'd like' for New York New York Post Biden foolishly low-balls America's COVID response The WeekCDC reviewing new data that suggests coronavirus variant identified in UK could be more deadly CNNView Full Coverage on Google News