Zero risk? Virus cases test Olympic organizers' assurances
A Tokyo 2020 staff member stands by to help direct team members from other countries for the Tokyo 2020 Summer Olympic and Paralympic Games as they arrive at Haneda international airport in Tokyo on Sunday, July 18, 2021. (AP Photo/Hiro Komae)

A Tokyo 2020 staff member stands by to help direct team members from other countries for the Tokyo 2020 Summer Olympic and Paralympic Games as they arrive at Haneda international airport in Tokyo on Sunday, July 18, 2021. (AP Photo/Hiro Komae)

Jul. 18, 2021 09:18 AM EDT
FILE - In this Friday, Dec. 2, 2016 file photo Prince Albert II of Monaco, left, presents Kenyan distance runner Tegla Loroupe with the 2016 President Award at the 2016 World Athletics Gala Awards in Monaco. Laroupe, currently the chief of mission for the IOC's Refugee Olympic Team, has tested positive for COVID-19, two people with knowledge of her condition have told The Associated Press. (AP Photo/Claude Paris)

FILE - In this Friday, Dec. 2, 2016 file photo Prince Albert II of Monaco, left, presents Kenyan distance runner Tegla Loroupe with the 2016 President Award at the 2016 World Athletics Gala Awards in Monaco. Laroupe, currently the chief of mission for the IOC's Refugee Olympic Team, has tested positive for COVID-19, two people with knowledge of her condition have told The Associated Press. (AP Photo/Claude Paris)

Jul. 18, 2021 04:49 AM EDT
IOC President Thomas Bach gestures during a press conference at the Main Press Center, ahead of the Tokyo 2020 Olympic and Paralympic Games in Tokyo, Saturday, July 17, 2021. The first resident of the Olympic Village has tested positive for COVID-19, Tokyo Olympic organizers said on Saturday.(Shinji Kita/Kyodo News via AP)

IOC President Thomas Bach gestures during a press conference at the Main Press Center, ahead of the Tokyo 2020 Olympic and Paralympic Games in Tokyo, Saturday, July 17, 2021. The first resident of the Olympic Village has tested positive for COVID-19, Tokyo Olympic organizers said on Saturday.(Shinji Kita/Kyodo News via AP)

Jul. 17, 2021 07:44 AM EDT
ADDS RESTRICTION: ONE TIME USE ONLY, EDITORIAL USE ONLY - IOC President Thomas Bach, right, meets with Japanese Prime Minister Yoshihide Suga, second from left, during a welcome party for Bach and IOC officials at Akasaka Palace, Japanese state guest house, in Tokyo, Japan, Sunday, July 18, 2021.(Courtesy of Tokyo 2020 via AP)

ADDS RESTRICTION: ONE TIME USE ONLY, EDITORIAL USE ONLY - IOC President Thomas Bach, right, meets with Japanese Prime Minister Yoshihide Suga, second from left, during a welcome party for Bach and IOC officials at Akasaka Palace, Japanese state guest house, in Tokyo, Japan, Sunday, July 18, 2021.(Courtesy of Tokyo 2020 via AP)

Jul. 18, 2021 09:46 AM EDT
People gather for a rally in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Olympics starting from July 23. They held signs that said No Olympics.(AP Photo/Yuri Kageyama)

People gather for a rally in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Olympics starting from July 23. They held signs that said No Olympics.(AP Photo/Yuri Kageyama)

Jul. 18, 2021 05:32 AM EDT
People march in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Tokyo Olympics starting from July 23.(AP Photo/Yuri Kageyama)

People march in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Tokyo Olympics starting from July 23.(AP Photo/Yuri Kageyama)

Jul. 18, 2021 05:39 AM EDT
Protesters against the Tokyo Olympics gather outside Akasaka Palace, Japanese state guest house where the welcome party for IOC President Thomas Bach and its officials are held in Tokyo, Japan, Sunday, July 18, 2021. The banner, yellow, reads "IOC is a looter ! Use Olympic fees for social welfare". (Koji Harada/Kyodo News via AP)

Protesters against the Tokyo Olympics gather outside Akasaka Palace, Japanese state guest house where the welcome party for IOC President Thomas Bach and its officials are held in Tokyo, Japan, Sunday, July 18, 2021. The banner, yellow, reads "IOC is a looter ! Use Olympic fees for social welfare". (Koji Harada/Kyodo News via AP)

Jul. 18, 2021 08:44 AM EDT
People march in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Tokyo Olympics starting from July 23. They held signs that said No Olympics.(AP Photo/Yuri Kageyama)

People march in Tokyo's Shinjuku shopping district Sunday, July 18, 2021, to protest against the Tokyo Olympics starting from July 23. They held signs that said No Olympics.(AP Photo/Yuri Kageyama)

Jul. 18, 2021 05:43 AM EDT
IOC President Thomas Bach, center, speaks during a welcome party for Bach and IOC officials at Akasaka Palace, Japanese state guest house, in Tokyo, Japan, Sunday, July 18, 2021.(Courtesy of Tokyo 2020 via AP)

IOC President Thomas Bach, center, speaks during a welcome party for Bach and IOC officials at Akasaka Palace, Japanese state guest house, in Tokyo, Japan, Sunday, July 18, 2021.(Courtesy of Tokyo 2020 via AP)

Jul. 18, 2021 09:48 AM EDT