The Impact of the Third Wave of the COVID-19 Pandemic on the Elderly and Very Elderly Population in a Tertiary Care Hospital in Portugal.

Background:  COVID-19 poses a significantly more serious threat to adults aged 65 and above, with a higher mortality rate. This study aims to describe the outcome of COVID-19 patients in the elderly and very elderly population admitted to a tertiary care Portuguese hospital. The authors defined the elderly population (65 to 79 years) and the very elderly population (≥ 80 years).