text: Long COVID a comprehensive systematic scoping review To find out what is known from literature about Long COVID until January 30 2021 We undertook a four step search with no language restriction A preliminary search was made to identify the keywords A search strategy of all electronic databases resulted in 66 eligible studies A forward and backward search of the references and citations resulted in additional 54 publications Non English language articles were translated using Google Translate We conducted our scoping review based on the PRISMA ScR Checklist Of 120 papers we found only one randomized clinical trial Of the 67 original studies 22 were cohort and 28 were cross sectional studies Of the total 120 publications 49 1 focused on signs and symptoms 23 3 on management and 10 8 on pathophysiology Ten publications focused on imaging studies The results are also presented extensively in a narrative synthesis in separated sections nomenclature diagnosis pathophysiology risk factors signs symptoms management The controversies in its definition have impaired proper recognition and management The predominant symptoms were fatigue breathlessness arthralgia sleep difficulties and chest pain Recent reports also point to the risk of long term sequela with cutaneous respiratory cardiovascular musculoskeletal mental health neurologic and renal involvement in those who survive the acute phase of the illness 