Authority: IC 16-19-3-4; IC 16-41-2-1

Affected: IC 16-41-2; IC 16-41-9

Sec. 114. The specific control measures for listeriosis (infectious agent: Listeria monocytogenes) are as follows:

1. (1) An investigation by the local health officer shall meet the following conditions:

   1. (A) Be performed within seventy-two (72) hours.

   2. (B) Include a twenty-one (21) day history of the following prior to onset:

      1. (i) Food and drink consumption.
      2. (ii) Exposure to soil.
      3. (iii) Animal exposures.
2. The food history should include a history of consuming raw milk, soft cheese, raw vegetables, and ready-to-eat meats. Surveillance data should be analyzed for clusters and clusters for common source exposures.
3. (2) Standard precautions for hospitalized patients are recommended.
4. (3) Concurrent disinfection is not required.
5. (4) Quarantine is not required.
6. (5) Immunization is not available. Protection of contacts is not applicable.
7. (6) The Centers for Disease Control and Prevention and the Council of State and Territorial Epidemiologists set the standard clinical and laboratory case definition.

(Indiana Department of Health; 410 IAC 1-2.5-114; filed Nov 25, 2015, 2:54 p.m.: 20151223-IR-410150039FRA; readopted filed Nov 12, 2021, 8:41 a.m.: 20211208-IR-410210385RFA; readopted filed Nov 14, 2025, 11:18 a.m.: 20251210-IR-410240588RFA)