A medical worker uses a test kit to diagnose COVID-19 virus in Rabat, Morocco, on Sept. 11, 2020. Morocco on Friday reported 2,430 new COVID-19 cases, the biggest single-day increase so far, taking the number of infections in the country since March 2 to 82,197. (Photos: Xinhua)

A medical worker uses a test kit to diagnose COVID-19 virus in Rabat, Morocco, on Sept. 11, 2020. Morocco on Friday reported 2,430 new COVID-19 cases, the biggest single-day increase so far, taking the number of infections in the country since March 2 to 82,197.

A medical worker uses a test kit to diagnose COVID-19 virus in Rabat, Morocco, on Sept. 11, 2020. Morocco on Friday reported 2,430 new COVID-19 cases, the biggest single-day increase so far, taking the number of infections in the country since March 2 to 82,197.