398,530
Participants
Start Date
January 1, 2020
Primary Completion Date
February 28, 2021
Study Completion Date
June 21, 2022
Laboratory test positive for SARS-CoV-2 virus
Exposure/intervention: diagnosis of Covid-19, defined as positive laboratory test for SARS-CoV-2
Kaiser Permanente Southern California, Pasadena
Kaiser Permanente Northern California, Oakland
Kaiser Permanente
OTHER
Patient-Centered Outcomes Research Institute
OTHER
University of California, San Francisco
OTHER