Viable Mycobacterium bovis bacille CalmetteGuérin(BCG) is one of the most widely used vaccines to control tuberculosis.Administered as a single shot to newborns, it prevents severedisease and reduces mortality among children, but it does notprotect against pulmonary tuberculosis in children or adults.With 9 million new, mostly pulmonary cases and nearly 2 milliondeaths from tuberculosis each year, there is a great need forimproved vaccines against this devastating disease. A new studyof vaccine efficacy by Grode and colleagues1 therefore comesas welcome news.
The immune response to mycobacteria relies predominantly onT-cell immunity, rather than . . . [Full Text of this Article]
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From the Public Health Research Institute, International Center for Public Health, Newark, N.J.
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