Cryptosporidiosis.

1. The health authority shall investigate each report of a case having cryptosporidiosis, identified by the detection of Cryptosporidium organisms or DNA in stool, intestinal samples, biopsy specimens or other biological samples upon testing by a medical laboratory, to: (a) Confirm the diagnosis; (b) Identify any contacts; (c) Identify the source of infection; (d) Determine if the case is employed in a sensitive occupation or is a child attending a child care facility; and (e) Determine if there is a contact residing in the same household as the case who is employed in a sensitive occupation. 2. Unless authorized by the health authority, a person who has diarrhea and a fecal specimen that is positive for Cryptosporidium and any symptomatic contact residing in the same household as such a person shall not work in a sensitive occupation until at least 48 hours after the diarrhea has resolved. The health authority may order any additional exclusion, testing or treatment of any person that the health authority determines is necessary to prevent further transmission of Cryptosporidium . 3. The health authority shall instruct cases and carriers of Cryptosporidium spp. of the need and proper method of hand washing after defecation. 4. Unless authorized by the health authority, an infant or child who is excreting Cryptosporidium spp. and whose diarrhea is unresolved or has been resolved for less than 24 hours shall not attend a child care facility. The health authority shall instruct a child care facility where an infant or child who is excreting Cryptosporidium spp. is attending of the need and proper method of hand washing and other practices for the control of infection which prevent the transmission of cryptosporidiosis. 5. If a case having cryptosporidiosis is in a medical facility, the medical facility shall provide care to the case in accordance with enteric precautions or other appropriate disease specific precautions.