“…To date, more than 58 countries have detected SARS-CoV-2 RNA in wastewater, and 276 universities worldwide are conducting research on this topic. In Latin America, there are ongoing studies carried out by universities and research institutions in Mexico, Colombia, Ecuador, Argentina, and Chile [32] , [33] , [34] , [35] , [36] , [37] . In Brazil, the first initiatives were carried out independently in the states of Minas Gerais (MG), Rio de Janeiro (RJ), and Rio Grande do Sul (RS) [38] .…”