Little is known about the risk of tuberculosis transmission from children. We reviewed the published literature on the transmission of tuberculosis during outbreaks involving children 3 to 11 years of age and report that transmission rates among close contacts in school outbreaks are on average higher (weighted average 69.8% vs. 39.3%) if the index case is a child than an adult.
From the *Public Health NHS Bristol, Bristol, United Kingdom; †Communicable Disease Surveillance Centre, Public Health Wales, Temple of Peace and Health, Cathays Park, Cardiff, United Kingdom; and ‡Department of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, United Kingdom.
Accepted for publication August 16, 2011.
The authors have no funding or conflicts of interest to disclose.
Address for correspondence: Jonathan R. Roberts, MPH, PhD, MFPH, Public Health Directorate, NHS Bristol, 4th Floor South Plaza Building, Marlborough Street, Bristol, BS1 3NX UK. E-mail: Jonathan.firstname.lastname@example.org.
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