New vaccines may not reduce TB incidence

(PhysOrg.com) -- Despite the potential of new vaccines to prevent TB, new research shows that the removal of one strain of TB can allow a previously suppressed strain to succeed. Consequently, a vaccination program could result in the proliferation of strains more likely to be, or become, drug resistant, and could even result in an increased prevalence of the disease.

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<p><a href="http://www.physorg.com/news142607908.html">New vaccines may not reduce TB incidence</a></p> <p>(PhysOrg.com) -- Despite the potential of new vaccines to prevent TB, new research shows that the removal of one strain of TB can allow a previously suppressed strain to succeed. Consequently, a vaccination program could result in the proliferation of strains more likely to be, or become, drug resistant, and could even result in an increased prevalence of the disease. </p>