How is hygiene and sanitation, such as handwashing, important to stopping the spread of water-borne illnesses? ( 50 POINTS ANSWER IT AS SOON AS POSSIBLE TO WIN FAST :) ) ( A SHORT ANSWER PLEASE)

Handwashing. It is estimated that washing hands with soap and water could reduce diarrheal disease-associated deaths by up to 50% 1. Researchers in London estimate that if everyone routinely washed their hands, a million deaths a year could be prevented 2.

Explanation:

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