Coronavirus: why mystery of Hong Kong boy’s Covid-19 infection might never be solved
- Four-year-old boy’s untraceable case, previously thought to be a false positive, was confirmed by an infectious disease expert
- Child’s symptoms quickly subsided, he produced no antibodies to the coronavirus and none of his 34 close contacts had the virus
But it all ended with the clock being reset after a four-year-old boy’s untraceable infection, previously thought to be a false positive, was confirmed by an infectious disease expert.
The development left behind a trail of unresolved questions.
“It is possible this case could remain a mystery forever,” one of the experts in the investigation said.
At the heart of the puzzle was how different test results were reached, culminating in the infection being confirmed.
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Professor Yuen Kwok-yung, chair of infectious diseases in the University of Hong Kong’s department of microbiology, whose laboratory delivered the final verdict on the case, believed the discrepancies could be down to methodologies and equipment.
