Chlamydia is a sexually-transmitted disease (STD) caused by the bacteria Chlamydia trachomatis. Chlamydia is one of the most common STD reported in Davis County and the United States. The majority of chlamydia infections are asymptomatic. Most females and approximately 50% of males infected with chlamydia do not have obvious symptoms. Serious complications include chronic pain, infertility, prostatitis, and organ damage.
Chlamydia rates have been increasing for the past several years. This is partially due to increased screening of high-risk individuals.
During 2018, there were 1,158 cases of chlamydia reported in Davis County, a 5.9% increase from the 1,094 cases reported in 2017.
Incidence of Chlamydia, Davis County, Utah, U.S., 2000-2018

Chlamydia infections are most commonly identified in women because women often receive a screening test during annual exams. The highest rates of chlamydia occur among teens and young adults.
Incidence of Chlamydia by Age and Gender, Davis County 2018