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Tuberculosis in U.S. Hits Record Low: CDC

Improved screening of immigrants contributes to decline
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WebMD News from HealthDay

By Steven Reinberg

HealthDay Reporter

THURSDAY, March 20, 2014 (HealthDay News) -- Rates of tuberculosis in the United States are falling, with cases at a historic low, health officials reported Thursday.

Improved screening of immigrants has helped reduce incidence of the highly contagious lung disease, researchers from the U.S. Centers for Disease Control and Prevention said.

"Tuberculosis continues to decline in the United States, and we are at the lowest number of cases since we have been tracking it," said Dr. Phil LoBue, acting director of the CDC's division of tuberculosis elimination.

According to preliminary data from the CDC's National TB Surveillance, fewer than 9,600 cases were reported in the United States in 2013. That represents a decline of 4.2 percent from 2012 -- from 3.2 cases per 100,000 people to 3.0 per 100,000.

But health officials aren't celebrating yet. "We still have a long way to go to reach elimination," LoBue said.

Cases of drug-resistant tuberculosis remain a concern, and the rate of TB is still 13 times higher for foreign-born residents than for people born in the country, according to figures published in the March 21 edition of the CDC's Morbidity and Mortality Weekly Report and online in the journal Emerging Infectious Diseases.

Still, a program that more intensively screens anyone planning to immigrate is having success, health officials said.

Under the tighter screening, twice as many TB cases are diagnosed and treated among immigrants and refugees before their U.S. arrival than with the previous screening program, according to the report.

The program is also cost-effective, saving taxpayers $15 million in annual health care costs, the CDC said.

"We are doing well," LoBue said. "We are making progress, but we still have a long way to go."

According to the report, four states -- California, Florida, New York and Texas -- reported more than half of all TB cases in 2013.

Also, blacks and Hispanics have a rate of tuberculosis seven times higher than whites. For Asians, the rate is 26 times higher than whites, the researchers found.

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