A medical worker collects a swab sample from a woman for COVID-19 test at a health center in the southern Gaza Strip city of Khan Younis, Sept. 25, 2020. (Photo by Yasser Qudih/Xinhua)

A medical worker collects a swab sample from a man for COVID-19 test at a health center in the southern Gaza Strip city of Khan Younis, Sept. 25, 2020. (Photo by Yasser Qudih/Xinhua)