The Olympic stadium in London, where the 2017 IAAF world championships are being held. Photo: Getty Images
It's understood there's one or two cases of the norovirus at the accommodation near the Tower of London.
None of New Zealand's athletes have been affected, but Athletics New Zealand is taking all necessary precautions by being more vigilant with hygiene.
There are five more Kiwis still to compete at the World Champs, with four of them in action this morning [NZT].
