A suspected transmission case at an MTR station has brought back discussions on the effectiveness of masks. Photo: AFP
A suspected transmission case at an MTR station has brought back discussions on the effectiveness of masks. Photo: AFP

9-seconds-apart transmission: can masks still protect us from coronavirus? Hong Kong railway station case sparks fresh debate

  • A recent Covid-19 transmission case involving three people wearing masks has triggered fresh discussions on the effectiveness of facial coverings
  • Two infectious diseases experts recommend wearing two masks, one cloth and one surgical, to ensure better protection against the Omicron variant

A suspected transmission case at an MTR station has brought back discussions on the effectiveness of masks. Photo: AFP
A suspected transmission case at an MTR station has brought back discussions on the effectiveness of masks. Photo: AFP
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