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Article Dans Une Revue Trends in Microbiology Année : 2021

SARS-CoV-2 viral RNA levels are not 'viral load'

Résumé

Ct values are commonly used as proxies of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) 'viral load'. Since coronaviruses are positive single-stranded RNA [(+)ssRNA] viruses, current reverse transcription (RT)-qPCR target amplification does not distinguish replicative from transcriptional RNA. Although analyses of Ct values remain informative, equating them with viral load may lead to flawed conclusions as it is presently unknown whether (and to what extent) variation in Ct reflects variation in viral load or in gene expression.
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hal-03419147 , version 1 (08-11-2021)

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Yannis Michalakis, Mircea T Sofonea, Samuel Alizon, Ignacio G. Bravo. SARS-CoV-2 viral RNA levels are not 'viral load'. Trends in Microbiology, 2021, 29 (11), pp.970-972. ⟨10.1016/j.tim.2021.08.008⟩. ⟨hal-03419147⟩
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