Two athletes from the same country and competing in the same sport staying in the village in the Harumi waterfront district tested positive for the virus, organisers said without offering additional details. Organisers today reported 10 new cases connected to the Olympics, including a third athlete not staying in the village, down from 15 new cases a day earlier.
South Africa also reported three positive cases in its soccer squad – two players and an analyst.
It was not immediately clear if those cases were identified as part of the same testing programme.
An International Olympic Committee member from South Korea tested positive for the coronavirus on landing in Tokyo.
Ryu Seung-min, a former Olympic athlete, is double-jabbed, underlining the infection risk even from vaccinated attendees.
And on Friday it was announced a Nigerian delegate to the Olympics had become the first visitor to be admitted to hospital with COVID-19, broadcaster TV Asahi said on Friday.
The new infections are testing the layered testing regime designed to ensure Covid cases are quickly caught and isolated. Proponents argue that the growing number of cases underscores the strength of the testing system.
Mr Suga has said Japan would take thorough steps to strengthen border controls against the coronavirus.
Public support for his cabinet has slid to 35.9 percent, a Kyodo poll showed on Sunday, the lowest since he replaced Shinzo Abe as the country’s leader in September.
A mere 29.4 percent think the fourth state of emergency, which began last Monday, is effective, according to the poll.
The rainy season ended in Tokyo on Friday, bringing blue skies and intense heat, another potential problem for organisers.
The burden on participants has been increased by virus countermeasures like masking.
David Hughes, chief medical officer at the Australian Olympic Committee, said: “While we have been dealing with Covid matters, we haven’t taken our focus off the heat.”
Officials point to heat countermeasures including the distribution of drinks and salt tablets and the use of misting towers and cooling vests.
The delayed Olympics was intended to showcase a modern, diverse Japan at a time of rising regional rivalries – but the pandemic has left the country hosting a pared-down event.
Athletes continue to question the compromises organisers have made, with Maya Yoshida, captain of Japan’s soccer team, calling for the decision to hold the Games behind closed doors to be reconsidered.
Postponed last year due to the COVID-19 pandemic, the Summer Olympics have little public support in Japan amid widespread fears about a further spread of the coronavirus.
Critics on Thursday submitted a petition against the Games that has garnered more than 450,000 signatures this month.
Organisers have imposed Olympics “bubbles” to prevent further transmissions of COVID-19, but medical experts are worried they might not be sufficiently tight.