HIV infection, syphilis, and tuberculosis screening among migrant farm workers - Florida, 1992

Article Abstract:

From three to four million migrant farm workers work in the US, and only 13% receive regular health care. A survey of 310 migrant farm workers in 14 migrant camps in Immokalee, FL found that 8% tested positive for syphilis, 5% tested positive for HIV and 44% had a positive tuberculin skin test. Of the 118 farm workers positive for tuberculosis exposure, only 47% returned a few weeks later to have a chest X-ray and provide a sputum sample to confirm the diagnosis. The prevalence of syphilis, HIV infection and tuberculosis exposure in these farm workers is higher than that found in other populations. Migrant workers are often poor and may not be legal residents of the US. This can exclude them from the health care system.

Testing, Migrant agricultural laborers

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The Global Problem of Multidrug-Resistant Tuberculosis: The Genie Is out of the Bottle

Article Abstract:

The rise of multidrug-resistant tuberculosis is a public health emergency. Most often, the bacterium that causes TB becomes resistant because the patient does not complete the therapy. About 13% of bacterial isolates worldwide are now resistant to one TB drug and 2% are resistant to both isoniazid and rifampin. Directly observed therapy (DOT) can prevent drug resistance in countries where resistance is low or non-existent. However, it may not be effective in countries were drug resistance is high. The US must provide leadership in this area because international travel can spread drug-resistant bacteria all over the world.

Editorial, International aspects, Drug resistance in microorganisms, Microbial drug resistance

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Spread of Mycobacterium tuberculosis in a Community Implementing Recommended Elements of Tuberculosis Control

Article Abstract:

Tuberculosis will still be a problem in many communities that have effective treatment programs because of difficulties in identifying contacts. In one such community in California, 73 of 221 people (33%) who developed tuberculosis were infected with the identical bacterial strain. However, half had not been identified as a contact of the person who transmitted the infection to them. Thirty-three developed the infection because the person who transmitted it to them was not diagnosed or treated quickly enough.

Disease transmission, Mycobacterium tuberculosis

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