With the global COVID19 pandemic, measures that help to preserve healthy environments and help slow the spread of viruses are important. One of the things that is useful in preserving health environments is ventilation. When considering building sanitation, good ventilation is one thing that supplies fresh air which is important for human beings occupying the building. Furthermore, with the need to regularly clean surfaces effectively lighting is also an interrelated area that needs to be considered. It is with this in mind, as well as the other elements of building sanitation that Public Health students are trained.