https://www.cdc.gov/healthywater/hygiene/index.html

Many diseases and conditions can be prevented or controlled through appropriate personal hygiene and by frequently washing parts of the body and hair with soap and clean, running water (if available). Good body washing practices can prevent the spread of hygiene-related diseases.

Athlete’s Foot (tinea pedis)
Body Lice
Chronic Diarrhea
Dental Caries (Tooth Decay)
Head Lice
Hot Tub Rash (Pseudomonas Dermatitis/Folliculitis)
Lymphatic Filariasis
Pinworms
Pubic Lice (“Crabs”)
Scabies
Swimmer’s Ear (otitis externa)
Trachoma
Recreational Water Illnesses (RWIs)
Acanthamoeba keratitis (AK)
Ringworm (Tinea