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JUST over two years since the official start of the pandemic, tens of millions of people in China have entered lockdown. It is a striking reminder of how things started, and that, despite the feeling in some countries, things are far from over.
At the end of January, the huge global wave of covid-19 caused by the faster-spreading omicron variant was ebbing fast, but now cases are ticking up once more. This second wave of omicron has been caused in part by an even faster-spreading subvariant, plus the fact that many nations are dropping measures to contain the virus,
The…
