[New therapies against HCV]
- PMID: 32288826
- PMCID: PMC7140280
- DOI: 10.1016/S1773-035X(16)30369-0
[New therapies against HCV]
Abstract
Human coronaviruses (HCoV) are single strand RNA viruses. To date, there are four so-called « classical » or « novel » HCoVs, characterized by a winter circulation. These coronaviruses are responsible for mild respiratory infection in general population. However, HCoVs are associated to more severe respiratory tract infection among susceptible population. Indeed, HCoVs account for 2 to 7% of hospitalizations due to a respiratory infection, particularly among children, immunocompromised or elderly people. Thereby, HCoVs are included in the panel of respiratory viruses detected in routine using molecular biology tools. These four circulating HCoVs have to be distinguished from the two emerging HCoVs: SARS-CoV and MERS-CoV. These later are associated to a more severe respiratory infection and differ from other HCoVs by their increased epidemic potential, their more important health impact, and their atypical circulation. Such as paramyxoviruses and Influenza viruses, coronaviruses have to be monitored due to their associated risk of emergence in human population from animal reservoirs.
Les coronavirus humains (HCoV) sont des virus à ARN simple brin. Il existe actuellement quatre coronavirus dits « classiques » ou « nouveaux », dont la circulation est hivernale. Ils sont à l’origine d’infections respiratoires modérées dans la population générale. Cependant, les infections peuvent être plus sévères dans les populations susceptibles. Notamment, les HCoV sont impliqués dans 2 à 7% des hospitalisations consécutives à une infection respiratoire, en particulier chez les enfants et les personnes âgées ou immunodéprimées. De ce fait, ils appartiennent au panel de virus respiratoires recherchés lors des diagnostics de routine des infections respiratoires par des outils de biologie moléculaire. Ces coronavirus dits circulants sont à distinguer des deux coronavirus émergents, le SARS-CoV et le MERS-CoV qui sont associés à des pathologies respiratoires plus sévères. Ils se distinguent des autres HCoV par leur potentiel épidémique plus élevé, leur impact sanitaire plus important et leur mode de circulation atypique. À l’instar des paramyxovirus et des virus Influenza, les coronavirus doivent être surveillés pour leur risque d’émergence dans la population humaine à partir d’un réservoir animal.
Keywords: Human coronavirus; diagnosis; respiratory infection.
Copyright © 2016 Elsevier Masson SAS. All rights reserved.
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