Inclusion Criteria:  All Adult participants with COVID-19 confirmed by PCR who meet the following criteria:  Hospitalised after August 31st,2020 Receivedat least one dose of Remdesivir(RDV)at anytime during hospitalisation  Exclusion Criteria:  Received Remdesivir as part of a clinical trial, compassionate use or expanded access program Received Remdesivir prior to this admission at any other health facility than the research sites and whose health records are available.