TOKYO, Japan --
With the winter flu season upon us, you can't hear it enough. Wash your hands. That simple message is behind the United Nation's second annual International Hand Washing Day.
In Japan, school children performed a special song and dance Thursday, teaching them how to properly scrub away germs.
Medical experts say soap is the crucial ingredient to help fight off disease.
The United Nations estimates proper hand washing could help save one million children's lives.
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