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November 1983

Tuberculin Skin Testing in Vietnamese Refugees With a History of BCG Vaccination

Author Affiliations

From the Department of Pediatrics, Albany (NY) Medical College.

Am J Dis Child. 1983;137(11):1093-1094. doi:10.1001/archpedi.1983.02140370053017

• Among 50 Indo-Chinese children 18 years of age or younger who were screened at the Albany County (New York) Health Department, during 1979, 14 had a history of BCG vaccination. These patients were not intradermally tested with 5 TU of PPD because it was assumed that the reactions would not be interpretable. To test this hypothesis, nine patients were available for testing. Six patients had a negative reaction, two had a reaction greater than 10 mm of induration, and one had an equivocal reaction. Nine of the 36 patients without a history of BCG vaccination also had positive reactions to the same dose of PPD. All patients with positive reactions had normal chest x-ray films and received isoniazid prophylaxis, regardless of BCG history in accordance with Centers for Disease Control recommendations. A history of BCG vaccination should not preclude skin testing with PPD (given in tuberculin units), and a patient with a positive reaction should receive appropriate treatment.

(Am J Dis Child 1983;137:1093-1094)