Hong Kong scientists are looking into disinfecting and reusing masks amid a Covid-19 pandemic exacerbated by a persistent shortage of protective gear, a top infectious disease expert has revealed.Professor Yuen Kwok-yung from the University of Hong Kong said the options were being studied for both N95 respirators, which are used by health care workers when handling suspected and confirmed coronavirus patients, and standard surgical masks.“We have to be innovative, because shortages cannot be…
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