The U.S. Centers for Disease Control and Prevention (CDC) on Monday reported 33,453 cases of coronavirus, an increase of 18,185 cases from its previous count, and said the death toll had risen by 199 to 400. The CDC reported its tally of cases of the respiratory illness, COVID-19, caused by a new coronavirus, as of 4 p.m. ET on March 22 compared to its previous tally reported on March 20.