Introduction: SARS-CoV-2 is a new variant of virus that attacks the human respiratory tract which was declared by WHO as a Covid19 pandemic. Covid19 transmission through solid surfaces. air. and waste occurring in hospital areas require disinfection and sanitation monitoring to ensure that new clusters are not created and outpatients are not infected with the SARS-CoV-2 virus in hospi... https://yeswellneses.shop/product-category/vitamin-d/