Covid-19 cases are frequent in elderly patients admitted to acute no-Covid-19 units
Healthcare personnel is at high risk to present coronavirus infection
Hospital transmission of Covid-19 can be frequent in older individuals
Maximum efforts should be given to screen patients and staff even if asymptomatic
Prevention is very important for Covid-19 severe prognosis in older patients
Keywords: Atrial fibrillation; Coronavirus; Covid-19; Elderly; Frailty.