Compared with patients with seasonal flu, hospitalized COVID-19 patients face an increased need for ventilation and intensive care, longer hospital stays, more complications, and nearly five times the risk of death, according to a US study published yesterday in BMJ.The study, led by researchers from the VA Saint Louis Health Care System, mined the US Department of Veterans Affairs medical records database to compare the outcomes of 3,641 COVID-19 patients hospitalized from Feb 1 to Jun 17 with those of 12,676 hospitalized with the flu from 2017 to 2019.Quadruple risk of ventilator useCompared with the flu, COVID-19 was tied to a higher risk of death (hazard ratio [HR], 4.97), the need for mechanical ventilation (HR, 4.01) and intensive