A clustered pulmonary Tuberculosis outbreak at a technical school in Shenzhen, China
By
Jing Tang
Mingbin Xie
Congyang Li
Fan Huang
Liai Peng
Yali Qu
Jinzhou Mei
Zhenyang Liu
Eryong Liu
Yanfang Guo
Yunxia Wang
May 7, 2026
Clinical Scorecard: Outbreak of Pulmonary Tuberculosis Identified in a Vocational School in Shenzhen, China
At a Glance
Category Detail
Condition Pulmonary Tuberculosis (TB) Key Mechanisms Transmission through close contact, poor ventilation, and delayed detection. Target Population Students in vocational schools, particularly adolescents. Care Setting Educational institutions, specifically vocational schools.
Key Highlights
9.3% IGRA positivity rate in the first screening round. 62.2% IGRA positivity rate in the affected class. Seven cases of active tuberculosis confirmed. Whole genome sequencing revealed a single clonal outbreak. Emphasis on early detection and preventive treatment for latent TB. Guideline-Based Recommendations
Diagnosis
Use of Interferon-Gamma Release Assays (IGRA) and chest radiography for screening. Management
Implement timely preventive treatment for latent tuberculosis infection. Monitoring & Follow-up
Conduct regular health monitoring and syndromic surveillance in schools. Risks
High risk in crowded environments with close interpersonal contact. Patient & Prescribing Data
Adolescents in vocational schools.
Focus on managing latent TB to prevent progression to active disease.
Clinical Best Practices
Enhance health education for students and staff. Improve environmental hygiene in school settings. Timely identification and management of suspected TB cases. Related Resources & Content
