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单词 index case
释义
index case
(once / 2363863 pages)
n

WORD FAMILY
index case: index cases
USAGE EXAMPLES
It is still used to this day to describe the index case of an outbreak as with Ebola in west Africa.
BBC(Oct 26, 2016)
G. was the first identified case, the index case, in an outbreak of an unknown virus.
Richard Preston, The Hot Zone(1994)
From this index case the virus was spread by human-to-human contact throughout Guinea, Sierra Leone and Liberia.
Nature(Jun 16, 2015)
n the earliest documented case of a disease that is included in an epidemiological study
Hyper
patient
a person who requires medical care
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