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Explore 2 published pages tagged with Covid 19 Origins, grouped automatically from article text, entity focus, and recurring topical signals.
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Science & Health
‘Patient zero’ is widely used to mean the first human case of an emerging infection in a population or region. In the context of COVID-19 in the United States, it refers to...
Open articledisease-outbreaks
In outbreak investigations, "patient zero" commonly refers to the first human case identified in a population, sometimes called the index case. For COVID-19, the term has often...
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