Study registration: *
Publication Grannis S, MMWR, 2021
Dates: 2021-01-01 to 2021-08-04
Funding: Mixed (VISION network is funded by CDC and includes Columbia University Irving Medical Center (New York), HealthPartners (Minnesota and Wisconsin), Intermountain Healthcare (Utah), Kaiser Permanente Northern California (California), Kaiser Permanente Northwest (Oregon and Washington), Regenstrief Institute (Indiana), and University of Colorado (Colorado).)
Conflict of interest: NR