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Volume 26, Number 7—July 2020
Dispatch

Severe Acute Respiratory Syndrome Coronavirus 2 Infection among Returnees to Japan from Wuhan, China, 2020

Yuzo Arima1Comments to Author , Satoshi Kutsuna1, Tomoe Shimada, Motoi Suzuki, Tadaki Suzuki, Yusuke Kobayashi, Yuuki Tsuchihashi, Haruna Nakamura, Kaoru Matsumoto, Asuka Takeda, Keisuke Kadokura, Tetsuro Sato, Yuichiro Yahata, Noriko Nakajima, Minoru Tobiume, Ikuyo Takayama, Tsutomu Kageyama, Shinji Saito, Naganori Nao, Tamano Matsui, Tomimasa Sunagawa, Hideki Hasegawa, Kayoko Hayakawa, Shinya Tsuzuki, Yusuke Asai, Tetsuya Suzuki, Satoshi Ide, Keiji Nakamura, Yuki Moriyama, Noriko Kinoshita, Yutaro Akiyama, Yusuke Miyazato, Hidetoshi Nomoto, Takato Nakamoto, Masayuki Ota, Sho Saito, Masahiro Ishikane, Shinichiro Morioka, Kei Yamamoto, Mugen Ujiie, Mari Terada, Haruhito Sugiyama, Norihiro Kokudo, Norio Ohmagari, Makoto Ohnishi, Takaji Wakita, and the COVID-19 Response Team
Author affiliations: National Institute of Infectious Diseases, Tokyo, Japan (Y. Arima, T. Shimada, M. Suzuki, T. Suzuki, Y. Kobayashi, Y. Tsuchihashi, H. Nakamura, K. Matsumoto, A. Takeda, K. Kadokura, T. Sato, Y. Yahata, N. Nakajima, M. Tobiume, I. Takayama, T. Kageyama, S. Saito, N. Nao, T. Matsui, T. Sunagawa, H. Hasegawa, M. Ohnishi, T. Wakita); National Center for Global Health and Medicine, Tokyo (S. Kutsuna, K. Hayakawa, S. Tsuzuki, Y. Asai, T. Suzuki, S. Ide, K. Nakamura, Y. Moriyama, N. Kinoshita, Y. Akiyama, Y. Miyazato, H. Nomoto, T. Nakamoto, M. Ota, S. Saito, M. Ishikane, S. Morioka, K. Yamamoto, M. Ujiie, M. Terada, H. Sugiyama, N. Kokudo, N. Ohmagari)

Main Article

Table

Distribution of severe acute respiratory syndrome coronoavirus 2 infections and clinical outcomes, by age group, among 566 Japanese returnees from Wuhan, China, January–February 2020

Age group, y No. returnees* No. (%) infected† Outcome
No. asymptomatic No. with mild illness No. with pneumonia No. deaths
<10 6 0 0 0 0 0
10–19 4 0 0 0 0 0
20–29 90 0 0 0 0 0
30–39 138 2 (1.4) 2 0 0 0
40–49 168 4 (2.4) 0 1 3 0
50–59 119 5 (4.2) 1 1 3 0
60–69 26 1 (3.8) 1 0 0 0
70–79 1 0 0 0 0 0

*Day-14 exit-screening test results pending for 14 persons.
†Testing by reverse transcription PCR.

Main Article

1These authors contributed equally to this article.

Page created: April 10, 2020
Page updated: June 18, 2020
Page reviewed: June 18, 2020
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