Post-COVID conditions : information for healthcare providers
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Post-COVID conditions : information for healthcare providers

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      Updated Apr. 8, 2021

      Some patients who have been infected with SARS-COV-2 have symptoms and clinical findings that persist beyond four weeks or can recur following initial recovery. Persistent symptoms and clinical findings can occur regardless of the severity of acute COVID-19. Medical and research communities are still learning about these post-acute symptoms and clinical findings.

      Post-COVID conditions are being referred to by a wide range of names, including post-acute COVID-19, long-term effects of COVID, long COVID, post-acute COVID syndrome, chronic COVID, long-haul COVID, late sequelae, and others, as well as the research term post-acute sequalae of SARS-COV-2 infection (PASC).external icon Although standardized case definitions are still being developed, in the broadest sense, it can be considered a lack of return to a usual state of health following acute COVID-19 illness. It might also include development of new or recurrent symptoms that occur after the symptoms of acute illness have resolved.

      Scientific knowledge is still limited about these effects, including what causes them and how often they occur. Interim terminology will be updated as more information becomes available.

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