Diseases and Conditions

Information about select diseases and conditions -- including prevention measures, symptoms, and treatment. Visit the website of the Centers for Disease Control and Prevention (CDC) for more diseases not listed here:

Asthma Heart Disease Pertussis (Whooping Cough)
Bed Bugs Hepatitis Q Fever
Cancer Giardiasis Rabies
Chlamydia Gonorrhea Salmonella
Diabetes HIV/AIDS Stroke
Ebola Influenza (Flu) Tickborne Diseases
E. Coli Measles Tuberculosis
Hantavirus MRSA West Nile Virus
  Norovirus Zika Virus



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Melanie Reynolds
Health Officer

Eric Merchant
Division Administrator

1930 Ninth Avenue
Helena, MT  59601
Fax: 406-457-8990


The U.S. is seeing an uptick in measles cases. Most have been imported by travelers returning from Europe, which is experiencing a large outbreak.

Measles is very contagious and potentially fatal. It's preventable through vaccination. Check with your doctor or the health department to make sure you and your family have been fully vaccinated. Learn more about measles.