index cases

A form of index case — The first documented case in a disease epidemic within a population or the first case of interest in an epidemiological investigation: the case of patient zero (the index patient).

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Meanings

noun
  1. pluralplural of index case
Cite this entry
APA

index cases. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/index%20cases

MLA

“index cases.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/index%20cases. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “index cases,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/index%20cases.

Source: index cases on Wiktionary, CC BY-SA 4.0.