Familial Clusters Of Coronavirus Disease In 10 Prefectures, Japan, February-May 2020

Reiko Miyahara,Naho Tsuchiya,Ikkoh Yasuda,Yura K Ko,Yuki Furuse,Eiichiro Sando,Shohei Nagata,Tadatsugu Imamura,Mayuko Saito,Konosuke Morimoto,Takeaki Imamura,Yugo Shobugawa,Hiroshi Nishiura,Motoi Suzuki,Hitoshi Oshitani

EMERGING INFECTIOUS DISEASES（2021）

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摘要

The overall coronavirus disease secondary attack rate (SAR) in family members was 19.0% in 10 prefectures of Japan during February 22-May 31, 2020. The SAR was lower for primary cases diagnosed early, within 2 days after symptom onset. The SAR of asymptomatic primary cases was 11.8%.

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COVID-19,Japan,SARS-CoV-2,coronavirus disease,familial clusters,prefectures,respiratory infections,severe acute respiratory syndrome coronavirus 2,viruses

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