Jiménez-Franco LE

Language: Spanish
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The new coronavirus named SARS-CoV-2, which causes zoonotic COVID-19 disease, emerged in the city of China, Wuhan and spread worldwide with a record of alarming numbers. The World Health Organization declared it an international health emergency in January 2020 and despite countless efforts to contain its rapid spread, it was classified as a pandemic.
SARS-CoV-2 belongs to a diverse family of single-stranded positive-sense RNA viruses. In humans, four endemic coronaviruses (HCoV-229E, HCoV-OC43, HCoV-NL63 and HCoV-HKU1) are known to cause mild respiratory symptoms in most cases; a picture that is in contrast to the manifestations caused by the new strain, which is characterized by a febrile state, general symptoms, intense cough and dyspnea. Twenty-five percent of cases develop an acute respiratory syndrome due to pneumonia, leading to multiorgan failure.

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