Ind. Admin. Code tit. 410, r. 1-2.5-148 – Yersiniosis; specific control measures

Sec. 148. The specific control measures for yersiniosis (infectious agents: Yersinia enterocolitica or Yersinia pseudotuberculosis) are as follows:

(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 seven (7) day history of the following prior to symptom onset:
  1. (i) Food and drink consumption.
  2. (ii) Water exposure.
  3. (iii) Animal exposure.
3. (C) Determine if the affected individual is a:
  1. (i) food employee;
  2. (ii) daycare worker;
  3. (iii) health care worker; or
  4. (iv) daycare attendee, a school attendee, or anyone who lives at a residential institution.
4. (D) Determine if meal companions are additional cases.
5. (E) If a commercial food product or restaurant is suspected, conduct active surveillance for additional cases.
(2) In addition to standard precautions, contact precautions are recommended for diapered or incontinent children. For all others, the following apply:
1. (A) Cases employed as food employees, daycare workers, health care workers, or in similar positions and cases who attend daycare, attend school, or anyone who is living in a residential institution shall be excluded from employment involving food handling and direct care of children or hospitalized or institutionalized patients until all of the following have occurred:
  1. (i) The local health officer has determined the case has been asymptomatic for at least twenty-four (24) hours.
  2. (ii) The case has been counseled about preventive measures, such as hand washing procedures, that must be followed to prevent transmission of disease.
  3. (iii) The local health officer has discussed the following topics with the employer:
    1. (AA) The employer's duty to comply with local and state rules pertaining to prevention of infectious diseases.
    2. (BB) The availability of required proper hand washing facilities for all employees.
    3. (CC) The correction of any observed lapses in hygienic measures by employees.
(3) Concurrent disinfection is required for feces and fecal contaminated articles. Feces may be discarded in a sanitary sewage system without prior disinfection.
(4) Quarantine is not required.
(5) Immunization is not applicable. Protection of contacts is not applicable.
(6) Case definition is established by the department.

(Indiana Department of Health; 410 IAC 1-2.5-148; 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)