Airborne contaminants, dirty toilet seats, mold, and mildew: Long before the coronavirus pandemic came around, the hygiene-focused among us knew public washrooms are grimy places.
Most adults visit the bathroom around 8 to 10 times a day. With an average hand-drying time of 30 seconds, we can expect between 4 to 5 minutes of daily dryer use per person (and more for people with an overactive bladder or similar disorders).
In an attempt to facilitate the handwashing process, are hand dryers adding to the filth by blowing contaminants around? And if so, why are they still common?