Second-hand smoke and the risk of tuberculosis: a systematic review and a meta-analysis

@article{Dogar2015SecondhandSA,
  title={Second-hand smoke and the risk of tuberculosis: a systematic review and a meta-analysis},
  author={Omara Dogar and Nancy S. Pillai and Nauman Safdar and S. K. Shah and Raana Zahid and Kamran Siddiqi},
  journal={Epidemiology and Infection},
  year={2015},
  volume={143},
  pages={3158 - 3172}
}
SUMMARY There is limited evidence and lack of consensus whether second-hand smoke (SHS) increases risk of tuberculosis (TB), which has substantial implications for unrestricted smoking indoors and TB control policies. We aimed to establish the association between SHS and the risk of acquiring and worsening of TB in non-smokers. We identified 428 articles in the initial search and 12 comparative epidemiological studies met our inclusion criteria. Exposure to SHS was found to have a higher risk… 
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