Professor Alvin Lai (left), Dr Joe Fan and Dr Iris Li have invented an easy and cheap method for making home-made masks. Photo: Xiaomei Chen
Professor Alvin Lai (left), Dr Joe Fan and Dr Iris Li have invented an easy and cheap method for making home-made masks. Photo: Xiaomei Chen

How to make your own mask: Hong Kong scientists reveal temporary solution for those unable to get protective gear because of panic buying and price-gouging

  • Thousands have queued overnight outside pharmacies and prices have spiked because of dwindling supplies
  • Lab tests by City University find home-made masks achieve 80 to 90 per cent function of regular ones in terms of filtration of aerosol and droplets

Professor Alvin Lai (left), Dr Joe Fan and Dr Iris Li have invented an easy and cheap method for making home-made masks. Photo: Xiaomei Chen
Professor Alvin Lai (left), Dr Joe Fan and Dr Iris Li have invented an easy and cheap method for making home-made masks. Photo: Xiaomei Chen
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