nical status at Day 15, hospital discharge time, all cause of death, duration of mechanical ventilation, duration of pressors, duration of ECMO, duration of oxygen therapy, length of hospital stay, absolute lymphocyte count NCT04317040/Not yet recruiting,May‐May 2020–2022 Acute kidney injury in patients hospitalized with COVID‐19 – China/COVID‐19 acute kidney injury‐kidney function 287, all, 18 years and older Observational Acute kidney injury: COVID‐19 patients with acute kidney injury nonacute kidney injury: COVID‐19 patients without acute kidney injury – Rate of death, the length of hospital stay Primary (up to 60 days): Rate of acute kidney injury Secondary (up to 60 days): NCT04316299/Completed, Feb 26‐Mar8 2020 Phase I clinical trial in healthy adult Logical: recombinant novel coronavirus vaccine (adenovirus type 5 vector) COVID‐19 108, all, 18–60 Treatment