Nipah virus cases in India: what to know
Nipah virus infection is a zoonotic disease caused by a henipavirus that can spread from infected animals, especially fruit bats, to humans and between people through close cont...
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disease-outbreaks
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COVID-19 Patient Zero: What the Term Means and What We Know
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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