The United States last year saw a sizable drop in the number of tuberculosis cases, but missed its goal of eradicating the disease by 2010, US health officials said Thursday.
The Centers for Disease Control and Prevention (CDC) wrote in its Morbidity and Mortality Weekly Report that the number of TB cases hit an all-time low in 2010, with only 11,181 cases reported to public health authorities, a 3.9 percent drop in the number of cases compared to one year earlier.
AdvertisementBut the US had hoped to eradicate the disease altogether, a goal US health experts said they were disappointed not to have met.
The CDC said that in six out of ten cases, TB patients were born outside the United States, and in more than half of the cases came from one of four countries: Mexico, the Philippines, India or Vietnam
US health official said foreign-born people were 11 times as likely to have TB as those born in the United States.
The CDC said four states accounted for about half of the US cases of tuberculosis: California, Texas, New York and Florida.
The illness also was more prevalent among members of ethnic minority groups: TB rates among Hispanics, blacks and Asians were seven, eight and 25 times as high as among Caucasians, respectively.
Tuberculosis is caused by the mycobacterium tuberculosis bacterium, and can be cured with antibiotics.
However, a full course of treatment requires six to nine months to completely eradicate the microorganism, and many people do not finish the full treatment, which leads to the development of drug-resistant strains of the disease.
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