A man holds up a child, both wearing face masks to help curb the spread of the coronavirus, to reach out a tree branches at the Wangfujing sho…

A woman gets a shot of the COVID-19 vaccine produced by China’s Sinovac Biotech Ltd. at the Hospital das Clinicas in Sao Paulo, Brazil, Sunday…

Students wearing face masks to prevent the spread of the coronavirus as they pray upon their arrival at their school, in Karachi, Pakistan, Mo…

A City of San Luis, Ariz., sign encourages keeping a safe distance between people to prevent exposure to the COVID-19 virus during the ASU and…

Students wearing face masks as a precaution against the coronavirus, attend classes as schools reopen after being closed for months due to the…

A medical worker collects a swab sample from a woman during coronavirus testing in Petaling Jaya, Malaysia, Monday, Jan. 18, 2021. Malaysian a…

Japanese lawmakers wearing face masks to protect against the spread of the coronavirus attend an ordinary Diet session at the House of Represe…

Foreign passengers wearing protective suits line up for their flight to China at Manila's International Airport, Philippines, Monday, Jan. 18,…

Students wearing face masks to prevent the spread of the coronavirus attend their class at a school, in Lahore, Pakistan, Monday, Jan. 18, 202…