The marble lion "Fortitude" is seen with a face mask in front of the New York Pubulic Library on the Fifth Avenue in New York, the United States, July 8, 2020. The number of COVID-19 cases in the United States surpassed the 3 million mark Wednesday to reach 3,009,611 as of 11:34 a.m. local time (1534 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Photos: Xinhua)

People do exercises near the Lincoln Memorial Reflecting Pool in Washington, D.C., the United States, July 8, 2020. The number of COVID-19 cases in the United States surpassed the 3 million mark Wednesday to reach 3,009,611 as of 11:34 a.m. local time (1534 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.

A plane flies over the National Mall in Washington, D.C., the United States, July 8, 2020. The number of COVID-19 cases in the United States surpassed the 3 million mark Wednesday to reach 3,009,611 as of 11:34 a.m. local time (1534 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.

A man jogs near the Lincoln Memorial Reflecting Pool in Washington, D.C., the United States, July 8, 2020. The number of COVID-19 cases in the United States surpassed the 3 million mark Wednesday to reach 3,009,611 as of 11:34 a.m. local time (1534 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.

Photo taken on July 8, 2020 shows the Capitol Building in Washington, D.C., the United States. The number of COVID-19 cases in the United States surpassed the 3 million mark Wednesday to reach 3,009,611 as of 11:34 a.m. local time (1534 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.