Clinical features of COVID-19 and SARS epidemics. A literature review
- PMID: 34322612
- PMCID: PMC8283653
- DOI: 10.15167/2421-4248/jpmh2021.62.1.1680
Clinical features of COVID-19 and SARS epidemics. A literature review
Abstract
SARS-CoV-2, responsible for the current pandemic, is a novel strain of the Coronaviridae family, which has infected humans as a result of the leap to a new species. It causes an atypical pneumonia similar to that caused by SARS-CoV in 2003. SARS-CoV-2 has currently infected more than 9,200,000 people and caused almost 480,000 deaths worldwide. Although SARS-CoV-2 and SARS-CoV have similar phylogenetic and pathogenetic characteristics, they show important differences in clinical manifestations. We have reviewed the recent literature comparing the characteristics of the two epidemics and highlight their peculiar aspects. An analysis of all signs and symptoms of 3,365 SARS patients and 23,280 COVID-19 patients as well as of the comorbidities has been carried out. A total of 17 and 75 studies regarding patients with SARS and COVID-19, respectively, were included in the analysis. The analysis revealed an overlap of some symptoms between the two infections. Unlike SARS patients, COVID-19 patients have developed respiratory, neurological and gastrointestinal symptoms, and, in a limited number of subjects, symptoms involving organs such as skin and subcutaneous tissue, kidneys, cardiovascular system, liver and eyes. This analysis was conducted in order to direct towards an early identification of the infection, a suitable diagnostic procedure and the adoption of appropriate containment measures.
Keywords: COVID-19; Clinical features; SARS; SARS-CoV; SARS-CoV-2.
©2021 Pacini Editore SRL, Pisa, Italy.
Conflict of interest statement
Conflicts of interest statement The authors declare no conflict of interest.
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