(All the following criteria are met before being selected): 1. Aged >= 18 years, 2. Meet all the following criteria (refer to confirmed cases in the 5th edition of the diagnosis and treatment plan): (1) Epidemiological history, (2) Clinical manifestations (according to any of the following 2): fever, normal or decreased white blood cell count or reduced lymphocyte count in the early stages of onset, multiple small patchy shadows and interstitial changes in early chest imaging, which are evident in the extrapulmonary zone. Furthermore, it develops multiple ground glass infiltration and infiltrates in both lungs. In severe cases, pulmonary consolidation and pleural effusion are rare. (3) Confirmed: Suspected cases have one of the following pathogenic evidence: respiratory specimens, blood specimens, or fecal specimens are detected by real-time fluorescent RT-PCR to detect novel coronavirus nucleic acid, the above-mentioned specimens are genetically sequenced and highly homologous to known new coronaviruses . (4) Light or ordinary patients, (5) With or without anti-viral drugs other than chloroquine phosphate, lopinavir/ritonavir.

(All the following criteria are met before being selected): 1. Aged >= 18 years, 2. Meet all the following criteria (refer to confirmed cases in the 5th edition of the diagnosis and treatment plan): (1) Epidemiological history, (2) Clinical manifestations (according to any of the following 2): fever, normal or decreased white blood cell count or reduced lymphocyte count in the early stages of onset, multiple small patchy shadows and interstitial changes in early chest imaging, which are evident in the extrapulmonary zone. Furthermore, it develops multiple ground glass infiltration and infiltrates in both lungs. In severe cases, pulmonary consolidation and pleural effusion are rare. (3) Confirmed: Suspected cases have one of the following pathogenic evidence: respiratory specimens, blood specimens, or fecal specimens are detected by real-time fluorescent RT-PCR to detect novel coronavirus nucleic acid, the above-mentioned specimens are genetically sequenced and highly homologous to known new coronaviruses . (4) Light or ordinary patients, (5) With or without anti-viral drugs other than chloroquine phosphate, lopinavir/ritonavir.