Objective To investigate the prevalence of latent tuberculosis(TB)infection(LTBI),and to identify the riskfactors in close contacts of pulmonary TB patients among non-resident population in Shanghai.Methods The study ...Objective To investigate the prevalence of latent tuberculosis(TB)infection(LTBI),and to identify the riskfactors in close contacts of pulmonary TB patients among non-resident population in Shanghai.Methods The study subjects were the close contacts of pulmonary TB patients among non-resident populations in Xuhui,Minhang展开更多
文摘Objective To investigate the prevalence of latent tuberculosis(TB)infection(LTBI),and to identify the riskfactors in close contacts of pulmonary TB patients among non-resident population in Shanghai.Methods The study subjects were the close contacts of pulmonary TB patients among non-resident populations in Xuhui,Minhang