Evaluation of Tuberculin Skin Test Four Months after BCG Vaccination at Birth
2001
Sharifi, H., Kashan University of Medical Sciences, Kashan, Iran | Khanbanpour, M., Kashan University of Medical Sciences, Kashan, Iran | Arbabi, M., Kashan University of Medical Sciences, Kashan, Iran
A study was performed on 219 infants, 111 boys and 108 girls, who were completely healthy physically. Data corresponding to the samples including sex and birth weight were recorded and the tuberculin test was performed. The response was measured as the diameter of the local firmness after 48- 72h. The response to tuberculin test was positive in 110 (50.2) including 57 (51.8%) boys and 53 (48.2%) girls. Positive cutaneous responses were most commonly observed 77% among infants with birth weight of 4,000 grams. Negative cutaneous responses were most common observed in 45% of infants with less than 2,500g birth weight. Adenitis was observed in 29 (13.2%) infants, 14 girls and 15 boys, after injection. Regarding the high rates of negative tuberculin responses it is recommended to revaccinate those with negative tuberculin test or initially vaccinate them after gaining appropriate weight
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