What is the single most important prevention activity for giardiasis?

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Multiple Choice

What is the single most important prevention activity for giardiasis?

Giardiasis spreads mainly through the fecal-oral route, so breaking that transmission chain at the hands is the most effective prevention. Thorough handwashing after using the washroom, after handling diapers, and before eating removes Giardia cysts from hands before they can be ingested, making it the single most important preventive measure. Prophylactic antibiotics before exposure aren’t a reliable or standard way to prevent Giardia and can lead to resistance and side effects. Boiling water matters when water quality is uncertain or outbreaks occur, but saying it’s never necessary misses situations where contaminated water is the risk. And swimming in recreational water while ill is unsafe, as it can spread infection to others.

Giardiasis spreads mainly through the fecal-oral route, so breaking that transmission chain at the hands is the most effective prevention. Thorough handwashing after using the washroom, after handling diapers, and before eating removes Giardia cysts from hands before they can be ingested, making it the single most important preventive measure. Prophylactic antibiotics before exposure aren’t a reliable or standard way to prevent Giardia and can lead to resistance and side effects. Boiling water matters when water quality is uncertain or outbreaks occur, but saying it’s never necessary misses situations where contaminated water is the risk. And swimming in recreational water while ill is unsafe, as it can spread infection to others.

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