“…Guidance on the provision of safe water, sanitation, and hygienic conditions has been offered by the WHO since the origin of the spread of the COVID-19 virus [ 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 ]. According to Luby et al [ 56 ], handwashing reduced the incidence of respiratory infections in children and young adults in previous pandemics.…”