Which type of personal hygiene is most important for preventing the spread of communicable diseases?
Hand hygiene
Communicable diseases often spread when pathogens on the hands come into contact with the mouth, nose, eyes, or food.
Keeping hands clean by regular washing removes germs before they can be transferred to the body or to other people and surfaces, which is why hand hygiene is emphasised so strongly in public health.
Hair, foot, and ear hygiene matter for personal cleanliness but play a much smaller role in interrupting the chain of infection compared with clean hands.
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