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
Wastewater discharge standards in Latin America to public sewer system are contained in section V of Decree 883. Congress of Paraguay emitted the Law 1614 of 2000 as the general regulatory and tariff framework for drinking water and sanitary sewer supply. Following the law's guidelines, was created the Quality Regulation for drinkable water supply and sanitation, which applies to the entire national territory. This regulation includes in its Title VI, all what refers to quality of the performance of sanitary sewer supply. In Annex 10 are shown the maximum limits for physicochemical parameters, specifying discharge values for the type of wastewater treatment applied. For purposes of