Hand washing sign
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Should restaurant staff be forced to wash their hands?

US Republican Senator Thom Tillis has challenged regulations that require restaurant employees to wash their hands after using the toilet.

He believes the government shouldn't be telling people what to do, and says unhygienic restaurants will go out of business anyway.

The BBC's Rajini Vaidyanathan took some hand soap on to the streets of Washington DC to tackle the slippery subject.

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