Background: Sustainable Development Goal (SDG) 6 demands that countries globally provide clean water and sanitation to their citizens. The outbreak of the coronavirus disease (COVID-19) pandemic triggered various obstacles to the attainment of this goal. especially in developing states that struggle to render clean water and sanitation to their ever-growing populations. Aim: The aim o... https://parisnaturalfoodes.shop/product-category/ortho-core/