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California sees increase in sexually transmitted diseases
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The number of reportable sexually transmitted diseases in California increased in 2013 according to data released recently from the California Department of Public Health.

“Sexually transmitted diseases can cause major health problems for people over time,” said Dr. Chapman. “This increase is concerning, particularly because STDs are preventable.”

The data show that almost 168,000 cases of chlamydia, over 38,000 cases of gonorrhea, over 3,500 cases of primary and secondary (P&S) syphilis, almost 2,900 cases of early latent syphilis, and over 3,600 cases of late latent syphilis were reported in 2013, for a total of 216,000 reportable cases of STDs.

In 2013, the rates of gonorrhea and P&S syphilis (the most infectious stages) increased substantially compared to 2012. In 2013, the gonorrhea rate increased 13 percent to 100.4 per 100,000 population, and the P&S syphilis rate increased 18 percent to 9.3 per 100,000 population. In contrast, in 2013 the rate of chlamydia cases decreased slightly for the first time in almost two decades, to 439.5 per 100,000 population, Chlamydia is the most commonly reported disease in California.

STD rates continue to be highest in young people 15-24 years of age, especially for females, with over 66 percent of female chlamydia cases and over 54 percent of female gonorrhea cases being in this narrow age group. Young women are the most vulnerable to infertility and other long-term reproductive health problems caused by STDs.

“Any sexually active person can get an STD through unprotected sex,” said Chapman. “They should talk with their health care provider and ask if testing for STDs is appropriate.” An online directory of test sites is available at Many clinics offer free tests.

Chapman pointed out that in addition to getting tested regularly, individuals can reduce their risk by using condoms, reducing their number of partners, being in a monogamous relationship or practicing abstinence.

Profound racial disparities persist. In 2013, the African-American gonorrhea rate of 351.1 per 100,000 was 6.2 times the non-Hispanic white rate of 56.9 per 100,000.