... coli, Staphylococcus aureus, HIV, Candida albicans and other common bacteria, viruses and moulds. 2. Extremly Low Toxicity: PHMG ... hygiene, public and private health areas, veterinary hygiene, food and feed areas, canned preservatives, film preservatives and drinking water, etc. ... PHMG was tested by the Department of Public health in Helsinki University and in ...