index case in English

noun
1
the first identified case in a group of related cases of a particular communicable or heritable disease.
All participating subjects gave written, informed consent and were interviewed about exposure to the index case and BCG vaccination status.

Use "index case" in a sentence

Below are sample sentences containing the word "index case" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "index case", or refer to the context using the word "index case" in the English Dictionary.

1. Whitehead then joined with Snow in tracking the contamination to a faulty cesspool and the outbreak's index case.

2. 27 This index case has also been linked to three of four SARS cases concentrated in the same block of a 247 - unit condominium in Toronto.