Beyond hotel elevators, Tetro warned that other high-touch surface areas in hotels like doorknobs, remote controls, light switches, alarm clocks, telephones, and ice buckets in particular can be full of germs “because they probably never get washed or disinfected.”
Article source: https://www.huffingtonpost.co.uk/entry/this-overlooked-hotel-surface-is-absolutely-crawling-with-germs_uk_69f20374e4b01910ba1aadd6