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The taxonomy of the order Nidovirales. https://epomedicine.com/medical-students/coronavirus-disease-covid-2019/; (CSSE; FT research; Updated: 17 March 2020, 10:00 GMT). SARS, Severe Acute Respiratory Syndrome, MERS, Middle East Respiratory Syndrome Coronavirus, nCov, novel coronavirus. α: Alpha; β: Beta; γ: Gamma; δ: Delta.
