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
Abstract
A s of May 31, 2020, Japan had reported >16,800 confirmed coronavirus disease (COVID-19) cases and 890 related deaths. The cluster-based approach is one of the pillars of control measures in Japan (1). Sixty-one clusters were documented in healthcare facilities, restaurants, workplaces, and music venues during January-April 2020 (2). However, the transmission within households, one of the highest-risk settings, has not been fully investigated.
Topics & Concepts
AsymptomaticCoronavirus disease 2019 (COVID-19)CoronavirusDiseaseMedicineSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)2019-20 coronavirus outbreakPandemicPediatricsDemographyVirologyInternal medicineOutbreakInfectious disease (medical specialty)SociologySARS-CoV-2 and COVID-19 ResearchCOVID-19 epidemiological studiesCOVID-19 Clinical Research Studies