Definition of index case in English:

Share this entry

index case

(also index patient)

noun

Medicine
The first identified case in a group of related cases of a particular communicable or heritable disease.
Example sentences
  • All participating subjects gave written, informed consent and were interviewed about exposure to the index case and BCG vaccination status.
  • The numbers are large because we were unable to identify the index case.
  • Public health departments aren't likely to be the ones diagnosing and identifying an index case of smallpox.
Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.