patient 0
(music) A type of small banjo-like stringed instrument with a short neck, usually with 17 or 19 frets and four strings, and played with a plectrum, originating in American jazz music.
(chiefly Jamaica) you
(epidemiology) Alternative form of patient zero (“index case”)
A mission whose goal is to disrupt or retaliate against another mission.
研究者たちは流行を初発患者までさかのぼって特定し、その患者の旅行歴が感染経路の解明に役立った。
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DiQt
Free
★★★★★★★★★★