text: Long term sequelae are highly prevalent one year after hospitalization for severe COVID 19 Many coronavirus disease 2019 Covid 19 survivors show symptoms months after acute illness The aim of this work is to describe the clinical evolution of Covid 19 one year after discharge We performed a prospective cohort study on 238 patients previously hospitalized for Covid 19 pneumonia in 2020 who already underwent clinical follow up 4 months post Covid 19 200 consented to participate to a 12 months clinical assessment including pulmonary function tests with diffusing lung capacity for carbon monoxide DLCO post traumatic stress PTS symptoms evaluation by the Impact of Event Scale IES motor function evaluation by Short Physical Performance Battery and 2 min walking test chest Computed Tomography CT After 366 363 369 days 79 patients 39 5 reported at least one symptom A DLCO 80 was observed in 96 patients 49 0 Severe DLCO impairment 60 was reported in 20 patients 10 2 related to extent of CT scan abnormalities Some degree of motor impairment was observed in 25 8 of subjects 37 200 patients 18 5 showed moderate to severe PTS symptoms In the time elapsed from 4 to 12 months after hospital discharge motor function improves while respiratory function does not being accompanied by evidence of lung structural damage Symptoms remain highly prevalent one year after acute illness 