Coronavirus: China and Australia toughen Delta response

Snap three-day lockdown in Brisbane and surrounding areas of Queensland, while WHO urges containment before more dangerous variants emerge'

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Outbreaks of the Delta variant have prompted China and Australia to impose stricter Covid-19 restrictions as the WHO urged the world to quickly contain the mutation before it turns into something deadlier.

China's most serious surge of coronavirus infections in months spread to two more areas on Saturday: Fujian province and the megacity of Chongqing.