As Shanghai locks down, China is facing its greatest Covid crisis yet
The coronavirus is spreading through Hong Kong, Shenzhen and other cities in China like a bush fire; tens of millions of Chinese have been ordered to stay at home yet again. Shanghai, a city of 26 million souls, has been split in two. Those on the eastern side of the Huangpu River will be locked down until Friday, their west bank neighbours from the start of April. It won’t work. Like a new Mercedes, the BA.2 model of the omicron variant of the Sars-CoV-2 virus is faster, quieter and 30 per cent more prolific. There is no chance of stopping it with lockdowns, mass testing or social distancing – even in Xi
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