People wait in line to get tested for COVID-19 in Washington, D.C.

People wait in line to get tested for COVID-19 at a testing site in Washington, D.C., the United States, Nov. 23, 2020. Total confirmed COVID-19 cases in the U.S. have reached 12,417,009, according to the latest update by the Center for Systems Science and Engineering at Johns Hopkins University at 0500 GMT, Nov. 24. (Xinhua/Liu Jie)