Tuberculosis Highlights

There are an estimated 9-14 million people in the United States infected with M. tuberculosis.  On average, about 10% of infected individuals will develop active tuberculosis (TB) disease at some point in their lives. There were 9,272 TB cases in the United States in 2016 (2.9 cases per 100,000 persons) – a 2.8% decrease compared to 2015. This is the lowest case count on record in the United States. Utah had 29 confirmed cases (0.9 cases per 100,000 persons) reported in 2017. 

Davis County had three new active tuberculosis disease cases reported in 2017 and 102 latent tuberculosis infection (LTBI) cases.

Active Tuberculosis Cases by Year, Davis County, 2002-2017


Latent tuberculosis infection is a condition in which TB bacteria are alive, but inactive in the body. People with LTBI have no symptoms, cannot spread TB to others, and usually have a positive skin test reaction or interferon gamma release assay (blood test). In 2017, a total of 102 LTBI cases were reported in Davis County.

Latent Tuberculosis Cases by Year, Davis County, 2002-2017


In Davis County, active disease and LTBI are primarily seen in individuals who are foreign-born or have traveled/lived in endemic countries.

 LTBI by Place of Birth, Davis County, 2017


Contact Information

Communicable Disease Control & Prevention

Email Us

Physical Address
22 South State Street
2nd Floor 
Clearfield, Utah 84015

Mailing Address
Davis County Health Department
P.O. Box 618
Farmington, Utah 84025

Phone Numbers
(801) 525-5200 :: Main
(801) 525-5201 :: Fax

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