Long COVID: what is known and what gaps need to be addressed.

Publication date: Jul 11, 2023

Long COVID is a chronic condition that follows after acute COVID-19 and is characterized by a wide range of persistent, cyclic symptoms. PubMed search for publications featuring ‘Long COVID’ or ‘post-acute sequelae of COVID-19’. Long COVID occurs frequently post-acute COVID-19, with a majority of people experiencing at least one symptom (such as cough, fatigue, myalgia, anosmia and dyspnoea) 4 weeks after infection. The specific symptoms and the minimum duration of symptoms required to be defined as Long COVID. There is a consistent reduction in Long COVID incidence amongst vaccinated individuals, although the extent of this effect remains unclear. There is an urgent need to understand the causes of Long COVID, especially extreme fatigue more than 6 months after infection. We must understand who is at risk and whether reinfections similarly risk Long COVID.

Concepts Keywords
4weeks causes
Cough Long COVID
Covid PASC
Vaccinated symptoms


Type Source Name
disease MESH Long COVID
disease MESH chronic condition
disease MESH COVID-19
disease MESH sequelae
disease IDO symptom
disease MESH infection
disease VO vaccinated
disease MESH causes
disease MESH reinfections

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