Betacoronavirus the Latin “corona” meaning crown or halo, referring to their image under electron microscopy of crown-like spikes on their surface similar to the solar corona. This morphology is created by the viral spike (S) peplomers, which are proteins that populate the surface of the virus and determine host tropism. The order Nidovirales is named for the Latin nidus, which means nest. It refers to this order’s production of a 3' co-terminal nested set of subgenomic mRNA's during infection. Betacoronavirus Betacoronaviruses are one of four genera of coronaviruses of the subfamily "Coronavirinae" in the family "Coronaviridae", of the order "Nidovirales". They
Latin word order of the sentence than in Cicero's philosophy. The word order of poetry is even freer than prose, and examples of interleaved word order (double hyperbaton) are common. In terms of word order typology, Latin is classified by some scholars as basically an SOV (Subject-Object-Verb) language, with Preposition-Noun, Noun-Genitive, and Adjective-Noun (but also Noun-Adjective) order. Others, however, argue that the word order of Latin is so variable that it is impossible to establish one order as more basic than another. As will be seen in the examples below, the order of words in Latin is not random, but frequently indicates different