Evidence of an effect of BCG revaccination on incidence of tuberculosis in school-aged children in Brazil: second report of the BCG-REVAC cluster-randomised trial.

@article{Barreto2011EvidenceOA,
  title={Evidence of an effect of BCG revaccination on incidence of tuberculosis in school-aged children in Brazil: second report of the BCG-REVAC cluster-randomised trial.},
  author={Mauricio Lima Barreto and Susan Martins Pereira and Daniel Pilger and {\'A}lvaro Augusto Cruz and S{\'e}rgio Souza da Cunha and Clemax Couto Sant'anna and Maria Yury Travassos Ichihara and Bernd Genser and Laura C. Rodrigues},
  journal={Vaccine},
  year={2011},
  volume={29 31},
  pages={4875-7}
}
BCG revaccination is still used in some tuberculosis endemic countries. Until now, the little evidence available suggested that BCG revaccination confers very limited additional protection, although there was no information on whether protection depends on the setting and age of revaccination, or if protection increases with time since vaccination. Here we report on an extended follow up of the BCG-REVAC trial, a cluster randomised trial conducted in the Brazilian cities Salvador and Manaus… CONTINUE READING
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