A medical worker takes a sample from a student for COVID-19 test at the Hebrew University of Jerusalem on Oct. 21, 2020, as a part of the university's efforts to provide a safe academic year, which starts a few days ago. The testing system will be done in partnership with the Hebrew University's Faculty of Medicine and will be provided to all students. Students will receive their test results via text within 24 hours. (Photo by Gil Cohen Magen/Xinhua)
