# index case

> initial patient in the population of an epidemiological investigation

**Wikidata**: [Q1639798](https://www.wikidata.org/wiki/Q1639798)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Index_case)  
**Source**: https://4ort.xyz/entity/index-case


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)