U.S. Syphilis Cases Decline for First Time in a Decade

New cases of syphilis declined in the U.S. for the first time in a decade last year.

Still, in its annual report on sexually transmitted diseases, the U.S. Centers for Disease Control found that STD rates varied dramatically among racial and ethnic groups. The rates of syphilis, gonorrhea and chlamydia — the three main STDs reported to the agency — were significantly higher among African Americans and Hispanics than among whites. Cases also tended to be most common in Southeastern states.

The CDC estimated that 19 million new cases of STDs are diagnosed every year, and that treating the diseases costs the nation’s health-care system $17 billion annually.

“Despite everything we know about how to prevent and treat STDs, they remain one of the more critical challenges in the United States today,” Dr. Kevin Fenton, who directs the CDC unit that tracks STDs, told Reuters.

Among the survey’s findings:

  • In 2010, new cases of syphillis totaled 13,774, which reflected a rate of 4.5 per 100,000 people. That was down from a rate of 4.6 the year before, although up from the record low of 2.1 in 2000 and 2001. Last year’s overall decrease was due to a substantial decrease among women. That offset a slight increase in the frequency of syphilis cases among men. CDC officials said it was too soon to tell whether the decline was merely a blip or a start of a new trend.
  • Syphilis rates were 2.4 per 100,000 for whites, but 5.9 per 100,000 for Hispanics and 20 per 100,000 for African Americans. What’s more, rates have climbed sharply in the last five years among black men who have sex with other men.
  • Last year there were 1.3 million reported cases of chlamydia, although authorities said most cases continue to go undiagnosed. Rates were 166 per 100,000 among whites, versus 467 per 100,000 among Hispanics and 1,383 per 100,000 among African Americans.
  • Gonorrhea cases increased, to 309,341, but remained at a relatively low level historically. The rate for whites was 26 per 100,000. But among Hispanics, the rate was 63 per 100,000, and among African Americans, the rate was 512 per 100,000.

Fenton attributed the differences among ethnic groups to such factors as access to health care services and insurance coverage.

ROBERT T. NELSON

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