T
Tomimasa Sunagawa
Researcher at National Institutes of Health
Publications - 100
Citations - 2114
Tomimasa Sunagawa is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Medicine & Outbreak. The author has an hindex of 21, co-authored 88 publications receiving 1606 citations. Previous affiliations of Tomimasa Sunagawa include Osaka University.
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Closed environments facilitate secondary transmission of coronavirus disease 2019 (COVID-19)
Hiroshi Nishiura,Hitoshi Oshitani,Tetsuro Kobayashi,Tomoya Saito,Tomimasa Sunagawa,Tamano Matsui,Takaji Wakita,Mhlw Covid Response Team,Motoi Suzuki +8 more
TL;DR: It is plausible that closed environments contribute to secondary transmission of COVID-19 and promote superspreading events, as gathering in closed environments was prohibited in the wake of the rapid spread of the disease.
Journal ArticleDOI
Comparison of the Complete DNA Sequences of Human Herpesvirus 6 Variants A and B
Yuji Isegawa,Tetsu Mukai,Kazushi Nakano,Miwa Kagawa,Jiguo Chen,Yasuko Mori,Tomimasa Sunagawa,Kazunobu Kawanishi,Junji Sashihara,Atsuko Hata,Ping Zou,Haruhiko Kosuge,Koichi Yamanishi +12 more
TL;DR: The results suggest that the remarkable differences observed were conserved evolutionarily as variant-specific divergence in HHV-6.
Journal ArticleDOI
Clusters of Coronavirus Disease in Communities, Japan, January-April 2020.
Yuki Furuse,Eiichiro Sando,Naho Tsuchiya,Reiko Miyahara,Ikkoh Yasuda,Yura K Ko,Mayuko Saito,Konosuke Morimoto,Takeaki Imamura,Yugo Shobugawa,Shohei Nagata,Kazuaki Jindai,Tadatsugu Imamura,Tomimasa Sunagawa,Motoi Suzuki,Hiroshi Nishiura,Hitoshi Oshitani +16 more
TL;DR: This work analyzed 3,184 cases of coronavirus disease in Japan and identified 61 case-clusters in healthcare and other care facilities, restaurants and bars, workplaces, and music events, finding 22 probable primary case-patients for the clusters.
Journal ArticleDOI
Epidemiology of COVID-19 Outbreak in Japan, from January-March 2020.
Yuki Furuse,Yura K Ko,Mayuko Saito,Yugo Shobugawa,Kazuaki Jindai,Tomoya Saito,Hiroshi Nishiura,Tomimasa Sunagawa,Motoi Suzuki,Hitoshi Oshitani +9 more
Journal ArticleDOI
Epidemiology of influenza A(H1N1)v virus infection in Japan, May-June 2009.
Tomoe Shimada,Y Gu,Hajime Kamiya,N Komiya,F Odaira,Tomimasa Sunagawa,Hiroshi Takahashi,Takao Toyokawa,Yuuki Tsuchihashi,Yoshinori Yasui,Yuki Tada,Nobuhiko Okabe +11 more
TL;DR: Between 9 May and 4 June 2009, a total of 401 laboratory-confirmed cases of influenza A(H1N1)v virus were reported in Japan, from 16 of the 47 Japanese prefectures, where outbreaks in high schools occurred leading to school closures.