Subject(s)

Female , Humans , Male , Middle Aged , Lung Diseases/epidemiology , Mycobacterium Infections, Nontuberculous/epidemiology , Sentinel Surveillance , China/epidemiology , Lung Diseases/microbiology , Prevalence , Prospective Studies , Risk Factors , Sputum/microbiology

Subject(s)

Lung Diseases/epidemiology , Mycobacterium Infections, Nontuberculous/epidemiology , Sentinel Surveillance , China/epidemiology , Female , Humans , Lung Diseases/microbiology , Male , Middle Aged , Prevalence , Prospective Studies , Risk Factors , Sputum/microbiology