A local study of 1691 new immigrants screened in the 1980's showed 0.65% with active tuberculosis, 13% of children under 16 years requiring chemoprophylaxis, and 30% of those aged under 30 years were tuberculin negative and required BCG (Respir. Med 1990: 84; 269-271). The yield of new immigrant screening in the early to mid 1990's was analysed. Between 1990-94 inclusive, 2242 new immigrants were screened, 1333 from Pakistan, 604 from India and 305 from the Rest of the World. Only 898 (40%) were identified through the official Port of Arrival (POA) system, and 1344 (60%) through local links with the FHSA. The yield of this screening is shown below. Ethnic group TB Chemoprophylaxis BCG FU Pakistani 7 15 423 12 Indian 3 6 113 8 Rest of World - 2 42 - 10 cases of active TB were found (0.45%; 450/ 100000), chemoprophylaxis was given to 19/465 (4.1%) of children, and 31% of persons aged under 30 required BCG (530/1705). New immigrant screening in a district with predominantly Indian Subcontinent immigrants still has a significant yield, and preventive measures (chemoprophylaxis; BCG) are appropriate in a singificant minority.

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