Communicable Diseases


In order to protect and promote the health of Cascade County, the Prevention Services division of the City-County Health Department (CCHD) works to protect the community from the spread of communicable diseases. For more information on communicable diseases, reporting or investigation, call 406-454-6950.

  • Investigates individual cases as well as outbreaks in a private and confidential manner
  • Monitors trends in particular diseases
  • Contains or controls the spread of these diseases
  • Provides statistics to Montana DPHHS

Communicable Disease Testing and Treatment

CCHD provides testing and treatment for communicable diseases such as chlamydia, syphillis, gonorrhea, and Hepatitis C.

Tracking & Reporting

Communicable diseases are those that are spread by touch, direct contact, or even through the air. It is necessary for CCHD to track these illnesses to prevent the transmission of disease. Some of the diseases investigated and tracked by Prevention Services are chlamydia, Hepatitis A, B, and C, as well as giardia, salmonella, campylobacter, e-coli, strep throat, influenza, lyme disease, shigella, cryptosporidiosis, legionellosis, coccidioidomycosis, rabies, and other communicable diseases. Reportable Diseases are those that healthcare providers are required to report; CCHD is obligated by law to perform follow-up on all reportable diseases and conditions.

Health Care Professionals: Disease Information