Photo taken on March, 25, 2020 at the United Nations headquarters in New York shows that UN Secretary-General Antonio Guterres speaking at the launch of the COVID-19 global humanitarian response plan via video teleconference. (Xinhua/Xie E)

A boy stands at the center of a classroom in a school in Homs city, central Syria, Feb. 17, 2020. (Photo by Hummam Sheikh Ali/Xinhua)

People carrying food items walk on a road in Guwahati, India, March 26, 2020. (Str/Xinhua)

A man receives temperature checking before he enters a hospital in Sanaa, Yemen, March 24, 2020. (Photo by Mohammed Mohammed/Xinhua)