Tuberculosis among migrant farm workers--Virginia.
D000383:Agriculture; D005006:Ethnicity; D006205:Haiti / Q000208:ethnology; D006801:Humans; D014171:Transients and Migrants; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000517:prevention & control; D014768:Virginia