Tracking the new coronavirus has presented challenges to scientists and health authorities, but the technologies involved are maturing. In this last entry in a three-part series, the Post looks at how new methods are being enlisted in detecting future outbreaks in the face of a potential fourth wave of infections later this year.After spending months on the back foot as wave after wave of Covid-19 infections hit the city, Hong Kong is now trying to get the drop on the virus.With a potential…
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