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index case [ in -deks keys ] SHOW IPA
/ ˈɪn dɛks ˌkeɪs / PHONETIC RESPELLING
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noun Pathology .
the first documented instance of a disease or other medical condition in a population, especially the first infection in an epidemic.
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Origin of index case First recorded in 1935–40
Words nearby index case indetermination ,
indeterminism ,
index ,
indexation ,
index card ,
index case ,
index crime ,
Index Expurgatorius ,
index extensor muscle ,
index finger ,
index fossil
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use index case in a sentence Yet the suspected index case s — the people who likely spread the virus to others — tested negative for the virus a couple of days before boarding their plane in Switzerland and thought they weren’t infected.
Certain features of its history suggest why this may be the case.
And, in the case of fluoride, at least, that doubt might actually be justified.
Her latest book, Heretic: The Case for a Muslim Reformation, will be published in April by HarperCollins.
Their friendship began when Krauss, who was chairman of the physics department at Case Western in Cleveland, sought out Epstein.
A grand juror in the Ferguson case is suing to be able to explain exactly what went down in the courtroom.
The case was an assault and battery that came off between two men named Brown and Henderson.
In this case, I suspect, there was co-operant a strongly marked childish characteristic, the love of producing an effect.
Sometimes in the case of large plants, cones have been known to occur on the tips of the branches of the Marsh Horsetail.
As a rule, however, even in the case of extreme varieties, a careful examination of the specimen will enable it to be identified.
Thus was the man left entirely to the devil, not even his life being reserved, as in the case of Job.
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British Dictionary definitions for index case
noun
med the first case of a disease, or the primary case referred to in a report
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for index case
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.