The caregiver has recovered, but Utah officials are still investigating how the person became infected.
Russia is already banned from this year's track competitions but U.S. and Canadian report calls for total ban amid doping scandal.
Klishina was previously accused of turning her back on fellow athletes.
The leader of the Communists of Russia party told her to represent Ukraine instead.
Philadelphia University designed anti-microbial unisuits to protect athletes from contaminated water.
Brazil's counter-terrorism director said the country faces a rising threat from radical Islamists.
More than 200 health experts wrote an open letter in May calling for the games to be postponed or relocated because of the Zika outbreak.
More than 30 men reputedly assaulted the girl in a Rio favela and posted a video to Twitter.
Yelena Isinbayeva says potential ban would violate human rights.
Vitaly Mutko apologizes and is 'ashamed' over doping scandal, which he blames on deceptive athletes.
Preparations for the Summer Games have been affecting Rio citizens for the past seven years.
John Coates, vice president of the IOC, expressed concerns about preparations and over issues like water pollution