A female drives an electrical scooter in front of the New National Stadium, the main arena for the Tokyo Olympics, on June 3 in Tokyo. Yuichi Yamazaki/Getty ImagesOrganizers insist the Olympics can be held in a safe bubble: athletes will be routinely evaluated, contact traced and socially distanced. By the time the Games start, authorities anticipate more than 80% of professional athletes to be vaccinated.But public health specialists state there are many methods for the bubble to be pierced, particularly if 10s of thousands of untested and largely unvaccinated volunteers are moving between Olympic places.”Even without spectators, its not a bubble. There are too many leakages in it,” said epidemiologist Mike Toole from the Burnet Institute in Melbourne, Australia.”Having these 70,000 volunteers out in the neighborhood, moving from area to neighborhood, then entering into the Games– where you have around 20% unvaccinated– then youre taking a look at a high-risk situation,” he said.The third and final Olympic Playbook of Covid-19 steps states some “sport particular” volunteers will be tested regularly at the Games, without defining the number of that would include.Opposition to the Games: Warnings from Japans medical community continue to grow. The Tokyo Medical Practitioners Association, a company representing 6,000 doctors in Tokyo, wrote a letter requiring the Games to be canceled.”The most essential concern now is to eliminate against COVID-19 and to protect individualss incomes and lives,” the letter said. “Japan will bear a huge obligation if the hosting of the Olympic and Paralympic Games adds to the spread of COVID-19 and increases the variety of victims and deaths.”The head of Japans Covid-19 taskforce, Shigeru Omi, said in June its “not normal” to host the Olympics throughout the pandemic, warning the Games would have an impact on infections in Japan.