Comment:
Mortality rates following SARS-CoV-2 infection have decreased as a consequence of public health policies, vaccination, and acute antiviral and anti-inflammatory theBrightling CE, Evans RA. Long COVID: which symptoms can be attributed to SARS-CoV-2 infection? Lancet. 2022 Aug 6;400(10350):411-413. doi: 10.1016/S0140-6736(22)01385-X. PMID: 35933996; PMCID: PMC9352303.rapies.1 However, in the wake of the pandemic, post-acute sequelae of COVID-19, or long COVID, has emerged: a chronic illness in people who have ongoing multidimensional symptomatology and disability weeks to years after the initial infection.2 Early reports of long COVID prevalence, summarised in a systematic review examining the frequency and variety of persistent symptoms after COVID-19, found that the median proportion of people who had at least one persistent symptom 60 days or more after diagnosis or at least 30 days after recovery from COVID-19 infection was 73%.3 However, the estimated prevalence depends on the duration, population, and symptoms used to define long COVID. More recently, community-based studies have suggested a lower prevalence of persistent symptoms;4 whereas among people who were hospitalised following COVID-19 infection, a high proportion do not fully recover (50–70%).5, 6, 7
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Source: Brightling CE, Evans RA. Long COVID: which symptoms can be attributed to SARS-CoV-2 infection? Lancet. 2022 Aug 6;400(10350):411-413. doi: 10.1016/S0140-6736(22)01385-X. PMID: 35933996; PMCID: PMC9352303. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9352303/ (Full text)