Heatstroke or Covid-19? Similar symptoms could confuse at Olympics

Emergency medicine experts warn first responders at the Tokyo Olympics could easily confuse heatstroke and coronavirus patients because the illnesses bear similar symptoms.

While Games organisers have moved the marathon and race-walk events to the cooler northern city of Sapporo, most events are taking place in Tokyo between July 23 and Aug 8, the peak of the city's hot and humid summer.