Tuberculosis infection among primary and secondary school students in Luquan district of Shijiazhuang during 2011-2015

Objective To understand tuberculosis infection situation among primary and secondary school students in Luquan district of Shijiazhuang,Hebei Province.Methods Purified protein derivative (PPD) skin test was performed in 51 528 students in primary and secondary schools in Luquan district of Shijiazhuang,tuberculosis infection was investigated at the same period.Results Significant differences were found in positive rate and strong positive rate between bacille Calmette-Guerin (BCG)-PPD and TB-PPD group.Different grade students differed in PPD positive rate and strong positive rate.Further examination was implemented among 691/818(84.47%) strong positive students.Four high school students and two junior school students were detected to be active tuberculosis patients.Prevalence of pulmonary tuberculosis was 0.73%.There were 61.31% (420) students reported using Mycobacterium vaccae (MV) in prevention of tuberculosis.Conclusion Middle school students are vulnerable population for mycobacterium tuberculosis infection.Tuberculosis screening and education should be included in the institutionalized management of the school.