“…Both the papers also mentioned monthly income as indirect variable to COVID-19, and they seem to focus on a more socioeconomic analysis of COVID-19. Nunes et al (2021), although, abords some environmental factors as well, by mentioning higher percentages of sanitation and water supply as variables connected with lower indexes of COVID-19, which seems to be the general consensus among all of the authors that mentioned it (Traesel et al, 2021;Aquino, 2020;França, 2020;Amnkwaa & Fischer, 2020) Other authors that seemed to have a more socioeconomic approach to COVID-19 were Nunes et al (2020), Sanhueza-Sanzana et al (2021) and Santos et al (2022). The works of all these authors mentioned income in any way, Nunes et al (2020) At last, there seems to be a group of three variables connected to environmental and infrastructural approach which all the works that mentioned them associated them as having an opposite relation with COVID-19 indexes, they were: waste collection, sanitation and access to water.…”