her brother, matt, is one of john s teammates. kind of felt very fitting that john was up there and the four of his teammates behind linked arm and arm just had his back. reporter: bob sledder elana meyers taylor, originally elected to walk, was sidelined by a positive covid test. she watched in an isolation hotel but hopes are high that she will compete. you know, i have my ups and downs, just like everybody. staying positive as much as i can, but extremely grateful that my family is okay. reporter: for many it s proved an olympic effort just to get here and into the beijing bubble safely. i think i had to do five tests before i could even get on the plane. it was also a real tense moment. you never knew what the outcome was going to be but now that we re here, it s amazing. reporter: if you make it into the closed loop aka, the bubble plan on secure buses to and from venues and hotels, plexiglass between work spaces and dining tables while robots clean the floors and se
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