Hong Kong asks entire population to test itself for COVID-19

Hong Kong authorities on Saturday asked the entire population of more than 7.4 million people to voluntarily test themselves for COVID-xjmtzyw19 at home for three days in a row starting next week.

The announcement by Chief Executive Carrie Lam on Saturday came as the southern Chinese city is struggling to contain a fifth wave of infections that has led to mixed signals about testing and lockdowns.

Lam said a "compulsory, universal test" of the whole population is still essential, but she did not say when that might happen. Authorities shelved the idea after a previous announcement caused panic buying.

The prospect of further school closures and other disruptions has the government caught between calls for loosening restrictions and Beijing's demand for an extreme "zero-COVID" approach mandating lockdowns and mass testing.

Surge tapering off

Hong Kong, a semi-autonomous territory, on Friday lifted a ban on residents returning aboard flights from nine countries where COVID-19 cases have surged, including Britain and the United States.

Hong Kong reported another 5,820 cases on Friday as the latest surge begins to taper off.

Patients walk along COVID-19 isolation facilities in the San Tin area of Hong Kong last month. (Kin Cheung/The Associated Press)

Meanwhile, in Shanghai to the north, authorities are struggling to meet requirements for a lockdown on many of the city's 26 million residents — the largest such undertaking by China since the virus was first detected in the central city of Wuhan in late 2019.

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Shanghai is implementing a two-stage, eight-day lockdown, but many of those on the eastern, or Pudong, side of the city who should have been free to leave their compounds on Friday have remained in isolation.

Authorities have placed the other half of the city, Puxi, under isolation with non-essential businesses and public transport brought to a stop and roads cleared of cars and people. A total of 14 million Puxi residents were tested on Friday, according to state media.

Isolation centres reportedly under strain

Residents under isolation complained of difficulty obtaining food, household items and medications, while beds and staff at isolation centres were reportedly insufficient for the number of asymptomatic patients and others being brought there for observation.

China detected another 2,086 confirmed cases on Saturday, including 260 in Shanghai, and 7,789 asymptomatic cases, of which 6,051 were in Shanghai. Total numbers of new cases have been near record highs for several days, but no new deaths have been reported since March 20, leaving China's total at 4,638. China has recorded a total of 153,232 cases, according to the National Health Commission.

A worker wearing protective gear sprays disinfectant over colleagues at the entrance of a neighbourhood in the Jing'an district during the second stage of a COVID-19 lockdown in Shanghai on Saturday. (Hector Retamal/AFP/Getty Images)

Compared with Wuhan in 2020, Shanghai has benefited from China's experience and is better prepared, even though the outbreak is wider in scale, Chen Erzhen, commander of the third contingent of medical teams dispatched to the city, was quoted as saying by the official Xinhua Daily newspaper.

That's because the Omicron BA.2 subvariant is more infectious though less virulent, leading to the large number of asymptomatic cases, which China has categorized separately from "confirmed" cases.

"There is more pressure because the larger number of patients increases the task of controlling the outbreak," Chen said. "But at present, Shanghai's situation is under control, and we'll continue to treat and isolate as necessary."