Since Jan. 21, health officials have identified nearly 100 cases of COVID-19 in the United States. The respiratory disease caused by a novel coronavirus has spread to dozens of countries and has killed thousands since it was first reported in Wuhan, China, in December.
U.S. health officials have identified and tested 43 cases of COVID-19 as of March 2. In addition, 48 cases were found among people who flew back to the U.S. on flights chartered by the U.S. State Department, including those who were aboard the Diamond Princess cruise ship, according to the U.S. Centers for Disease Control and Prevention.