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Boletín médico del Hospital Infantil de México
versión impresa ISSN 1665-1146
Resumen
MANZANARES-MEZA, Laura D. y MEDINA-CONTRERAS, Oscar. SARS-CoV-2 and influenza: a comparative overview and treatment implications. Bol. Med. Hosp. Infant. Mex. [online]. 2020, vol.77, n.5, pp.262-273. Epub 30-Oct-2020. ISSN 1665-1146. https://doi.org/10.24875/bmhim.20000183.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and Alphainfluenzavirus are RNA viruses that cause coronavirus disease-19 and influenza, respectively. Both viruses infect the respiratory tract, show similar symptoms, and use surface proteins to infect the host. Influenza requires hemagglutinin and neuraminidase to infect, whereas SARS-CoV-2 uses protein S. Both viruses depend on a viral RNA polymerase to express their proteins, but only SARS-CoV-2 has a proofreading mechanism, which results in a low mutation rate compared to influenza. E1KC4 and camostat mesylate are potential inhibitors of SARS-CoV-2 S protein, achieving an effect similar to oseltamivir. Due to the SARS-CoV-2 low mutation rate, nucleoside analogs have been developed (such as EIDD-2801), which insert lethal mutations in the viral RNA. Furthermore, the SARS-CoV-2 low mutation rate suggests that a vaccine, as well as the immunity developed in recovered patients, could provide long-lasting protection compared to vaccines against influenza, which are rendered obsolete as the virus mutates.
Palabras llave : Severe acute respiratory syndrome coronavirus 2; Influenza; Coronavirus disease-19.