Scientific studies demonstrate that hand dryers in public restrooms can aerosolize and disperse bacteria into the surrounding environment and onto users.
Evidence for · 4
Transmission of COVID-19 and other infectious diseases in public washrooms: A systematic review
2021 · cited by 66
Reviews indicate that hand drying systems contribute to microbial aerosolisation in public washrooms.
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More for · 3
Aerosols and Bacteria From Hand Washing and Drying in Indoor Air
2022 · cited by 13
Shows that aerosol and bacteria concentrations increase in indoor air during the hand drying process.
Microbiological Assessment of the Different Hand Drying Methods and Washroom Environment Cross-Contamination
2020 · cited by 10
Finds that warm air dryers can act as reservoirs of bacteria and lead to greater environmental contamination compared to paper towels.
Indoor particle dispersion due to hand dryer in public washroom: an in silico study
2023 · cited by 4
Demonstrates via computational fluid dynamics that high-velocity hand dryer air jets disperse aerosol particles and bacteria onto users and indoor surfaces.