WASHINGTON — President Biden on 2 December announced plans to tighten up Covid-19 testing timelines for travellers entering the US and extend a mask mandate on airplanes and other public transportation as part of a broad administration effort to combat the Omicron variant.
International travellers coming to the US will have to test within a day of departure, regardless of vaccination status, rather than the 72 hours currently required for vaccinated travellers, Biden said. The new testing rules
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