Epidemiological survey and analysis of tuberculosis at a college in Chongqing

doi:10.3969/j.issn.1000-6621.2017.12.023

Abstract

Abstract: Data of tuberculosis (TB) which outbreak at a college of Chongqing during September and December of 2016, were collected through epidemiological study, case investigation, TB screening for contacts, environment and TB work survey, and were analyzed using SPSS 16.0. The total 33 pulmonary TB students including two aggregated cases and 28 sporadic cases. Most cases were smear negative, 90.9% (30/33) were found by screening and the pulmonary TB detection rate was 0.30%. Furthermore, 84.8% (28/33) cases had no suspected TB symptoms, 51.5% (17/33) cases had pulmonary TB contact history and 30.3% (10/33) cases often went to Internet cafes. The pulmonary TB detection rates in grade 2014, 2015 and 2016 were 0.48% (9/1868), 0.47% (16/3382) and 0.19% (8/4213), respectively. The pulmonary TB detection rates in grade 2014 and grade 2016 were significantly different (χ²=4.78, P=0.029), and so did grade 2015 and grade 2016 2015(χ²=3.96, P=0.047). However, no significant difference was found between grade 2014 and 2015 (χ²=0.00, P=0.965). Overall, the TB burden is high in the college, TB prevention and control work should be further strengthened.

Key words: Tuberculosis, pulmonary, Disease outbreaks, Epidemiological study, Data collection, College

DUAN Wei-xia, LIU Ying, WANG Qing-ya, ZHANG Wen, PANG Yan, CHEN Wei, HU Dai-yu, WU Cheng-guo. Epidemiological survey and analysis of tuberculosis at a college in Chongqing[J]. Chinese Journal of Antituberculosis, 2017, 39(12): 1371-1374. doi: 10.3969/j.issn.1000-6621.2017.12.023

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