inclusion criteria: - patients with mild and severe cases who have been diagnosed with new coronavirus pneumonia according to the "pneumonitis diagnosis and treatment - - plan for new coronavirus infection" - age 18 to 75 years; - sign the informed consent voluntarily.

inclusion criteria: - patients with mild and severe cases who have been diagnosed with new coronavirus pneumonia according to the "pneumonitis diagnosis and treatment - - plan for new coronavirus infection" - age 18 to 75 years; - sign the informed consent voluntarily.