1. a) Control of Case

   Proper delousing for louse-borne typhus is required.

2. b) Control of Contacts

   1. 1) Louse-infected susceptible contacts exposed to typhus shall have their clothing and bedding deloused and should be quarantined for 15 days, if possible, after application of insecticide with residual effect.
   2. 2) In cases of murine typhus, the premises around the patient shall be searched for rodents.
   3. 3) The local health authority shall monitor all immediate contacts for clinical signs for two weeks.

3. c) Laboratory Reporting

   Laboratories shall report to the local health authority patients who have a positive result on any laboratory test indicative of and specific for detecting typhus infection.

(Source: Amended at 48 Ill. Reg. 4098, effective February 27, 2024)