Characteristics of Hospitalized Patients With Community-acquired Pneumonia

At present, the epidemiological characteristics and the distribution of pathogens of community-acquired pneumonia in Shandong Province are not clear. In order to understand the characteristics of community-acquired pneumonia, the distribution of pathogens and the risk factors of complications in Shandong Province, it is necessary to carry out investigation and study, which will provide the basis and support for the future prospective cohort study of pulmonary infection.