A second round of testing may be required for residents currently subject to Hong Kong’s first Covid-19 lockdown if the initial operation identifies more than a handful of infections, according to a government pandemic adviser.Professor David Hui Shu-cheong, a respiratory medicine expert from Chinese University, also suggested on Sunday that the nearby Yau Ma Tei Fruit Market and surrounding residential buildings could be the next area to be sealed off for screening.Some 10,000 residents of…
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