Global COVID-19 clinical characterization Case Record form : a standard approach to collect clinical data of hospitalized patients is necessary to better understand the natural history of disease and describe clinical phenotypes and treatment interventions. Share anonymized clinical data and information related to patients with suspected or confirmed infections on a new clinical data platform. (World Health Organization)

The rapid clinical characterization case record form (clinical CRF) is intended to provide member states with a standardized approach to collect clinical data in order to better understand the natural history of disease and describe clinical phenotypes and treatment interventions. (International Federation on Ageing)

Though paper CRFs are still used largely, use of electronic CRFs (eCRFS) are gaining popularity due to the advantages they offer such as improved data quality, online discrepancy management and faster database lock etc. (National Center for Biotechnology Info.)