Data Center: STD rates rise in Sacramento suburbs, statewide

preese@sacbee.comJuly 3, 2013 

The number of cases of Chlamydia and Gonorrhea, the two most common sexually-transmitted diseases, rose in Placer, El Dorado and Yolo counties from 2011 to 2012, part of a steady, statewide jump, new state figures show.

Chlamydia is a bacterial infection that is easily treated but can go unnoticed and cause serious complications. Gonorrhea is a bacterial infection that usually can be easily cured, though there has been a rise in treatment-resistant strains.

Chlamydia and Gonorrhea are significantly rarer in all of the suburban counties surrounding Sacramento than than the statewide average. But all saw infections jump last year.

For Chlamydia, El Dorado County saw a 20 percent increase in cases from 2011 to 2012; Placer saw an 8 percent increase and Yolo experienced a 15 percent increase.

For Gonorrhea, El Dorado County saw a 50 percent increase in cases; Placer saw a 55 percent increase and Yolo experienced a 90 percent increase. None of those counties had more than 150 reported cases of Gonorrhea.

Sacramento, which has a higher rate of Chlamydia and Gonorrhea infections than all but a handful of counties in California, saw Chlymydia cases fall but Gonorrhea cases rise last year.

Statewide, Chlamydia cases rose by 3 percent and Gonorrhea cases rose by 23 percent. State officials have previously said that the increases, which continue a pattern lasting several years, can't be easily explained by one factor, but that they may be an indication that more people are having unprotected sex.

Chlamydia and Gonorrhea rates are highest among young adults between 15 and 24, particularly Hispanics and African Americans, state figures show.

These charts show Chlamydia and Gonorrhea rates over the last five years in local counties.

Source: California Department of Public Health

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