Risk of COVID-19 re-infection and its predictors (CORES): protocol for a community-based longitudinal cohort study in Vellore, India.

Ramya MadhavanJackwin Sam PaulSudhir BabjiDilesh KumarSavit B PrabhuHarsha Kandi PulleriRavikiran AnnadoraiSampreeth Ravi GowdaJacob JohnGagandeep Kang

Published in: BMJ open (2022)

Central Trial Registry of India: CTRI/2020/11/029438.

Keyphrases

coronavirus disease
sars cov
randomized controlled trial
study protocol
clinical trial
phase iii
cross sectional
double blind