252
Participants
Start Date
November 15, 2021
Primary Completion Date
December 15, 2022
Study Completion Date
March 15, 2024
COVID-19 serosurvey
COVID-19 related antibody testing to assess immunogenicity of COVID-19 vaccines or post natural infection acquired immunity
PGIMER, Chandigarh
Post Graduate Institute of Medical Education and Research, Chandigarh
OTHER