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Coronavirus Hong Kong
ChinaScience

Why China is standing firm on zero-Covid, and will it work for Hong Kong?

  • Swift, strict measures for two years have kept death rates relatively low on the mainland
  • Public restraint rather than lockdowns might work better for a city like Hong Kong, say experts

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As Covid-19 cases in Hong Kong rise,  experts are asking what questions the city can learn from mainland China’s approach. Photo: Sam Tsang
Zhuang Pinghui

Some countries have resorted to dropping mask mandates, opening borders and schools as the Omicron variant sweeps across the globe, but China is standing firm on its zero-Covid policy – in place since the pandemic first broke out.

China’s two years of persistence have meant relatively low death rates as each fresh outbreak is met with swift responses, including rigorous testing and contact tracing, area or citywide lockdowns, and travel curbs.

The southern city of Baise on the Vietnam border was the latest to employ this strategy – updated in the face of more infectious coronavirus strains like Omicron – to “dynamic zero” where the aim is to cut the transmission chain rather than pursue zero cases.
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The city acted fast after identifying an Omicron case on February 4 – a returnee from the tech hub of Shenzhen bordering Hong Kong. Mass testing in the patient’s county began the next day, with close and secondary contacts told to isolate. The city of 3.6 million was then placed under strict lockdown two days later, after the mass testing revealed close to 100 cases.

The measures appeared to have slowed transmissions, with just two cases recorded on Tuesday and authorities announcing the chain of infection had been cut. Most city areas lifted lockdowns and reopened transport links on Tuesday.

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The strict test-isolate-quarantine-lockdown regimen has been repeated several times across the country since the early days of the pandemic. As parts of Baise opened up on Tuesday, Manzhouli in northern Inner Mongolia ordered area lockdowns as it launched citywide Covid-19 testing after detecting five positive cases.

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