Study conducted in Iran where the data was retrospectively and prospectively collected.
The Case report form (CRF) was mainly based on ISARIC’s CRF. A web-based, 2-language software was also developed to facilitate data collection and storage.
The organisation of this registry via clinical and epidemiological COVID-19 data increases the potentiality of joint studies. Recognition and coordination of a registry is highly important to solve its limitations to collect data.