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
Topic |   Coronavirus outbreak
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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