Countries across the world scrambled this week to impose border and travel curbs after the new Omicron variant emerged.But in China, it was business as usual.While scientists race to figure out whether the Covid-19 variant first sequenced in South Africa will pose a bigger problem than the highly infectious Delta strain, countries ranging from the UK and Israel to Japan erred on the side of caution.They put in place pre-emptive defences and travel restrictions designed to keep the variant out,…

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By badmin

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