Abstracts, 4th DICID presence of up to 106 PPD reactive T cells in a million PBMC of peripheral blood in 14 microbiology technicians (56%); however this reactivity in radiology personel was one in tenth (8%). Analyzing data from ESAT-6 reactivity revealed only one microbiology technician (4%) with reaction greater than cutoff, while neither of radiology personels showed this reaction. Comparison of PPD and ESAT-6 data showed no correlation. Conclusion: Health lab workers always are in front

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... of exposure to infections and tuberculosis is one of the most dangerous. Latent infection of tuberculosis in these people not only can cause health problem for them but also can spread the infection. Results of this study showed the specificity and efficiency of interferon gamma to detect such infection. PP-222 Mortality of tuberculous meningitis in younger children from Bosnia and Herzegovina