IAAF defends Makwala withdrawal amid 'virulent' norovirus outbreak

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Athletics’ governing body has defended its decision to deny a World Championship medal favourite entry to London Stadium amid attempts to control a “very virulent” norovirus outbreak.

Botswana’s Isaac Makwala, 30, had hoped to run in Tuesday’s 400m final, but was barred from competing.

His country’s Olympic boss, Falcon Sedimo, said that was “disturbing”.