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
Crown Point, Tobago lighthouse consist of a square metal tower with gallery and lantern high and has a focalheight of . It is powered by solar unit and emits an alternating group of four white flashing repeated every 20 seconds visible up to . Crown Point, Tobago Crown Point is a town in southwestern Tobago, Trinidad and Tobago. It contains the Arthur Napoleon Raymond Robinson International Airport which was formerly known as the Crown Point Airport. It is near Store Bay, Buccoo Reef, and Pigeon Point. The name component "Crown" does not derive from the English word "crown", but from the Englisch word