Coronavirus Coronavirus Coronaviruses are species of virus belonging to the subfamily "Coronavirinae" in the family "Coronaviridae", in the order Nidovirales. Coronaviruses are enveloped viruses with a positive-sense single-stranded RNA genome and with a nucleocapsid of helical symmetry. The genomic size of coronaviruses ranges from approximately 26 to 32 kilobases, the largest for an RNA virus. The name "coronavirus" is derived from the Latin "corona", meaning crown or halo, and refers to the characteristic appearance of virions under electron microscopy (E.M.) with a fringe of large, bulbous surface projections creating an image reminiscent of a royal crown or of the solar corona.
Latin word order approval: He notes that the sentence would be ruined rhythmically if the word order of the last three words were changed to "comprobavit fili temeritas". What was apparently admired here was the clausula of "comprobavit" with its double trochaic – u – – rhythm; whereas "temeritas" would make a rhythm of u u u –, which Cicero says would produce an unsatisfying effect in Latin, despite being recommended by Aristotle. The 1st-century A.D. teacher of oratory, Quintilian, remarks that hyperbaton (switching words round) is often used to make a sentence more euphonious. He gives the example of the following sentence