Prevalence of Latent Tuberculosis among Health Care Workers in High Burden Countries: A Systematic Review and Meta-Analysis

by Sharifa Nasreen, Mostafa Shokoohi, Monali S. Malvankar-Mehta
PLoS ONE 11(10): e0164034 – Published: October 6, 2016

19 pp. 2.8 MB
http://journals.plos.org/plosone/article/asset?id=10.1371/journal.pone.0164034.PDFimage-001

While India continues to have the highest burden of tuberculosis in the world, about 23 per cent of the 8.7 million global incidences, the study reports nearly half of its healthcare workers taking care of TB patients also suffer from latent tuberculosis. Since there are no nationally representative data on infections among TB health workers, the study looked at 18 different individual studies from seven countries — Bangladesh, Brazil, China, India, South Africa, Uganda and Zimbabwe. The prevalence of tuberculosis was found to be lower among medical students, about 6.9 per cent, but went up to 97 per cent among all types of healthcare workers.

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