Photo: Elie Dangoor (Eng), Amy Byrne, John Chew. John is texting with an emergency room physician looking after his mother in Toronto. Photo: Gwen Rea (ZAF)

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Elie Dangoor (Eng), Amy Byrne, John Chew. John is texting with an emergency room physician looking after his mother in Toronto. Photo: Gwen Rea (ZAF)