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 influence in English text in Latin, the prevalent Medieval lingua franca of Europe. However, when monks occasionally wrote in the vernacular, Latin words were translated by finding suitable Old English equivalents. Often, a Germanic word was adopted and given a new shade of meaning in the process. Such was the case with Old English "gōdspell" ("gospel") for Latin "evangelium". Previously, the Old English word simply meant "good news," but its meaning was extended in Old English to fit a religious context. The same occurred for the Old Germanic pagan word "blētsian", which meant "to sacrifice, consecrate by shedding blood". It was adapted by