Post-transplant patients with COVID-19 infection who attended Shenzhen No. 3 Hospital from December 2022 to February 2023, and enrolled the general population with COVID-19 infection who were hospitalized during the same period, matched by age and gender.

Data collection：Age, BMI, underlying comorbidities and other basic information were collected retrospectively from the two groups. The medical records were used to collect information about the patients' new coronavirus infection, such as the time of onset of symptoms, time of diagnosis, time of conversion and common symptoms such as fever, cough, nasal congestion and runny nose, muscle aches and pains.To compare the differences of the diagnosis and treatment of KTRs and the general population infected with Omicron

Inclusion Criteria:

Confirmed novel coronavirus infection between December 2022 to February 2023,

Exclusion Criteria:

Age less than 18; failure of the transplanted kidney before the new coronavirus infection; exclusion of oral immunosuppressed and other types of organ transplant recipients from the non-renal transplant population

post-transplant patients with COVID-19 infection who attended Shenzhen No. 3 Hospital from December 2022 to February 2023, and enrolled the general population with COVID-19 infection who were hospitalized during the same period, matched by age and gender.