evidence: Results: The average age of the cases admitted to the study was 62 years with a male predominance (60%), the 2 most frequent comorbidities were respectively hypertension (44%) and diabetes (18%). Unvaccinated patients were 60% of cases, no patient had a history of COVID-19 disease. Family exposure represented 55% of cases, while occupational exposure was found in only 11% of cases. The involvement on chest CT was estimated at less than 10% in 3% of cases, between 10 and 25% in 15% of cases, between 25 and 50% in 40% of cases, between 50 and 75% in 28% of cases, and above 75% in 9% of cases. Lymphopenia was present in 93% of patients, CRP was elevated in 97% of patients. D. dimers were elevated in 52% of patients. Renal involvement was observed in 22% of patients. Cytolysis was present in 19% of hospitalized patients. Deaths accounted for 18% of hospitalized patients, half of whom were vaccinated.