6,000
Participants
Start Date
August 25, 2025
Primary Completion Date
October 30, 2025
Study Completion Date
October 30, 2025
No intervention
This is an observational study without any interventions.
Peking University Health Science Center, Beijing
Centers for Disease Control and Prevention, China
OTHER_GOV
MSD China Holding Co Ltd
UNKNOWN
Peking University
OTHER