BCG vaccination and its efficiency in children
2006
: The efficiency of BCG vaccination was studied from the formation of a postvaccinal skin sign and postvaccinal allergy in 718 children aged under 7 years who had latent tuberculous infection and in 237 children of the same age who had tuberculosis treated at a child's tuberculosis unit during 1997-2003 epidemics. Under the present conditions, children having a scar measuring both less than 3 mm and 4 mm and more fall ill at the same rate. In children, the efficiency of BCG vaccination was associated with the formation of a skin sign (scar) and with the development of postvaccinal allergy that in children with tuberculosis was 2 less frequently developed and characterized by its rapider cession.
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