EditorialAn automated disinfecting robot roams through a luxury shopping mall in Shanghai, China, on Thursday, Dec. 8, 2022. (Qilai Shen/The New York Times)
EditorialUltraviolet light disinfecting sprayers, which were used to sanitize player areas on courts at the Australian Open in Melbourne, Australia, Feb. 11, 2021. (Alana Holmberg/The New York Times)