*6人が死亡
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![https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30154-9/fulltext Chan JFW, et al. Lancet. January 24, 2020: A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster]
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*家族内集積のケースシリーズ
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![https://www.nejm.org/doi/full/10.1056/NEJMoa2001017 Zhu N, et al. N Engl J Med. January 24, 2020:A Novel Coronavirus from Patients with Pneumonia in China, 2019]
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*初期数例のケースシリーズ
*Phylogeneticsも論じている
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