An Indian priest covers his face with a mask as a precaution against coronavirus and prays at a temple, in Prayagraj, India, Monday, June 8, 2020. (Photo by Rajesh Kumar Singh/AP Photo)
A little girl wearing a face mask dances in front of a toy panda at a shopping area in Shanghai, following the coronavirus disease (COVID-19) outbreak, China on June 16, 2020. (Photo by Aly Song/Reuters)
A woman wearing a face mask to help protect against the spread of the new coronavirus crosses a stream in Seoul, South Korea, Wednesday, July 15, 2020. (Photo by Lee Jin-man/AP Photo)
A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)
Cosplayers wearing face masks pose for a picture at the China Digital Entertainment Expo and Conference (ChinaJoy) in Shanghai, following the coronavirus disease (COVID-19) outbreak, China on July 31, 2020. (Photo by Aly Song/Reuters)
A masked woman poses for a picture during a march demanding justice for the victims of gender violence and femicides in Mexico City, Mexico on August 16, 2020. (Photo by Raquel Cunha/Reuters)
A supporter wears a mask of US President Donald Trump on August 17, 2020 in Mankato, Minnesota as the president delivers remarks on jobs and the economy. (Photo by Kerem Yucel/AFP Photo)
A Saudi trader wears a mask as he monitors stock information at the Saudi stock market in Riyadh, Saudi Arabia on August 25, 2020. (Photo by Ahmed Yosri/Reuters)