document: Hands-free faucet not so clean Hands-free electronic faucets have widely been assumed to help fight the spread of germs . But a team at Johns Hopkins Hospital in Baltimore has discovered that at their facility , electronic faucets were more likely to be contaminated with Legionella bacteria than the manual type , possibly because the electronic faucets have a complicated system of valves that is difficult to clean . The study will be presented at the annual meeting of the Society for Health Care Epidemiology .
extractive_keyphrases: fight presented germs handsfree faucet possibly johns hopkins hospital contaminated widely assumed complicated difficult baltimore clean legionella bacteria electronic faucets manual valves meeting spread discovered
abstractive_keyphrases: facility electronic faucets difficult to clean faucets have a complicated system fight the spread of germs johns hopkins hospital in baltimore contaminated with legionella bacteria than the manual type meeting of the society discovered that at their facility