A patient at a US hospital in July or August last year may have had coronavirus, concluded a Chinese supercomputer given the task of diagnosing Covid-19. US doctors said the symptoms were possibly associated with vaping. Photo: Nora Tam

Topic |   Coronavirus pandemic
A patient at a US hospital in July or August last year may have had coronavirus, concluded a Chinese supercomputer given the task of diagnosing Covid-19. US doctors said the symptoms were possibly associated with vaping. Photo: Nora Tam
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