Manami Nakashita, Yuta Takagi, Hiroyuki Tanaka, Haruna Nakamura, Yusuke Serizawa, Tomohiko Ukai, Kotaro Azuma, Hiroko Chiba, Kensaku Terada, Kaori Nakanishi, Tomoko Fujikawa, Kayoko Saito, Ryo Yamaguchi, Yuu Mitsuhashi, Koichi Yano, Tomoko Shibuma, Akemi Kuzuma, Shinichiro Tsuda, Terukazu Sadamoto, Yasuhiko Ishii, Tsukasa Ohara, Yoshiaki Hitomi, Takashi Hiroshima, Takuya Yamagishi, Hajime Kamiya, Anita Samuel, Yuichiro Yahata, Tomoe Shimada, Yuzo Arima, Motoi Suzuki, Tsuyoshi Sekizuka, Makoto Kuroda, Tomimasa Sunagawa
Background: Singing in an indoor space may increase the risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We conducted a case-control study of karaoke-related coronavirus disease 2019 (COVID-19) outbreaks to reveal the risk factors for SARS-CoV-2 infection among individuals who participate in karaoke. Methods: Cases were defined as people who enjoyed karaoke at a bar and who tested positive for SARS-CoV-2 by reverse-transcription polymerase chain reaction between 16 May and 3 July 2020...
May 2022: Open Forum Infectious Diseases