See How Rising STD Rates Have Affected Contra Costa County

CALIFORNIA — A new analysis of CDC data shows which states are most affected by the rising rates of chlamydia, gonorrhea and syphilis.

The CDC’s latest report released on the topic found that nearly 2.3 million cases of chlamydia, gonorrhea and syphilis were diagnosed in the U.S. in 2017, which marked the fourth consecutive year of sharp increases in the three sexually transmitted diseases, according to the report.

The analysis by Health Testing Centers notes that when the CDC began collecting STD data in 1941, there were only 679,028 cases of syphilis and gonorrhea. Today, that figure includes cases of chlamydia, which had the most dramatic increase since the 1980s, the analysis says.

Here’s a look at how chlamydia, gonorrhea and syphilis have affected California:

Chlamydia

California ranks 14th for the rate of chlamydia cases in 2017.

According to the analysis, there were 218,785 chlamydia cases in California in 2017, with a rate of 557.4 cases per 100,000 residents.

Contra Costa County ranks 53rd in the entire nation for rates of chlamydia by county in 2017, with total cases of 5,731 and a rate of 504.9 cases per 100,000 residents.

Gonorrhea

California ranks 13th for the rate of gonorrhea cases in 2017.

According to the analysis, there were 75,348 gonorrhea cases in California in 2017, with a rate of 192 cases per 100,000 residents.

Contra Costa County ranks 63rd in the entire nation for rates of gonorrhea by county in 2017, with total cases of 1,760 and a rate of 155 cases per 100,000 residents.

Syphilis

California ranks 2nd for the rate of syphilis cases in 2017.

According to the analysis, there were 6,708 syphilis cases in California in 2017, with a rate of 17.1cases per 100,000 residents.

Contra Costa County ranks 63rd in the entire nation for rates of syphilis by county in 2017, with total cases of 1,760 and a rate of 155 cases per 100,000 residents.

Below are the states most affected by each STD:

Chlamydia

1. Alaska
2. Louisiana
3. Mississippi
4. New Mexico
5. South Carolina

Gonorrhea

1. Mississippi
2. Alaska
3. Louisiana
4. South Carolina
5. Alabama

Syphilis

1. Louisiana
2. Nevada
3. California
4. New York
5. Texas

The CDC said of the 2017 figures that the country was sliding backwards after decades of declining STDs and warned of the ongoing threat that gonorrhea will become resistant to the last antibiotic that can cure it.

Read more via the Health Testing Centers here.

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— Patch editors Feroze Dhanoa and Bea Karnes contributed to this story