A student walks through a disinfection tunnel that sprays sanitation liquid at Bar-Ilan University in central Israeli city of Ramat Gan amid COVID-19 pandemic on Sept. 8, 2020. (Photo by Gil Cohen Magen/Xinhua)

People walk through a disinfection tunnel that sprays sanitation liquid at Bar-Ilan University in central Israeli city of Ramat Gan amid COVID-19 pandemic on Sept. 8, 2020. (Photo by Gil Cohen Magen/Xinhua)

A student walks through a disinfection tunnel that sprays sanitation liquid at Bar-Ilan University in central Israeli city of Ramat Gan amid COVID-19 pandemic on Sept. 8, 2020. (Photo by Gil Cohen Magen/Xinhua)

A student walks through a disinfection tunnel that sprays sanitation liquid at Bar-Ilan University in central Israeli city of Ramat Gan amid COVID-19 pandemic on Sept. 8, 2020. (Photo by Gil Cohen Magen/Xinhua)