TUBERCULIN RESPONSE AND SCAR FORMATION IN BCG VACCINATED 7-YEARS OLD SCHOOLCHILDREN IN SOFIA, BULGARIA
This study has been designed to evaluate safety and efficacy of BCG vaccine in school-entering children in terms of tuberculin response to PPD and scar formation as indicators for successful vaccination. 12 BCG lots were used to immunize 1054 tuberculin-negative children at age of 7 years. Local les...
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Peytchinski Publishing,
2015-06-01T00:00:00Z.
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