inclusion criteria: * 1. male or female, aged at 18 years-65 years old * 2. pneumonia that is judged by chest radiograph or computed tomography * 3. laboratory confirmation of ncp infection by reverse-transcription polymerase chain reaction(rt-pcr) from any diagnostic sampling source

inclusion criteria: * 1. male or female, aged at 18 years-65 years old * 2. pneumonia that is judged by chest radiograph or computed tomography * 3. laboratory confirmation of ncp infection by reverse-transcription polymerase chain reaction(rt-pcr) from any diagnostic sampling source

inclusion criteria: - 1. male or female, aged at 18 years-65 years old - 2. pneumonia that is judged by chest radiograph or computed tomography - 3. laboratory confirmation of ncp infection by reverse-transcription polymerase chain reaction(rt-pcr) from any diagnostic sampling source

inclusion criteria: - 1. male or female, aged at 18 years-65 years old - 2. pneumonia that is judged by chest radiograph or computed tomography - 3. laboratory confirmation of ncp infection by reverse-transcription polymerase chain reaction(rt-pcr) from any diagnostic sampling source