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並前往https://www.who.int/news/item/13-08-2020-2-in-5-schools-around-the-world-lacked-basic-handwashing-facilities-prior-to-covid-19-pandemic-unicef-who

2 in 5 schools around the world lacked basic handwashing ...

“Access to water, sanitation and hygiene services is essential for ... basic handwashing facilities prior to COVID-19 pandemic — UNICEF, WHO.

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