A man in his 30s tested positive for the virus after working on the relay in Kagawa
Foreign media will be monitored via GPS and will not be allowed to visit the houses of local friends or other unregistered areas, Hashimoto added, according to the Asahi and other local media.
Games should go ahead to demonstrate to the world what can be achieved with the right plan and measures.
As COVID-19 cases rise in Tokyo, however, public concern has grown that hosting an event with tens of thousands of overseas athletes, officials and journalists could accelerate infection rates in Japan's capital and introduce variants that are more infectious or deadlier.
Towns and cities lined up to host Olympic training or events have increasingly expressed resistance
McCloskey, who chairs an independent panel of experts advising organisers on COVID-19 mitigation measures, said there was no way of being 100% sure that no athlete would be infected but measures in place were reducing that risk considerably.
Many Japanese and medical experts oppose staging the 2020 Games as planned from July 23, after already being postponed a year, as their nation suffers a fourth infection wave.
Another downgrade for Tokyo Olympics that have their pomp and public spectacle overshadowed by COVID-19
Naomi Osaka is hogging the headlines for all the right reasons in her native land after she became the first Japanese player to reach a Grand Slam singles final, with one major newspaper hailing her as "a new heroine Japan can be proud of".
The torchbearer's face will likely be seen by hundreds of millions of people watching around the world.
The leaders expressed their support, he told reporters around midnight in Tokyo after the G7 heads of state held an unprecedented meeting by video conference. At the G7 video conference, leaders committed to doing 'whatever is necessary' to battle the coronavirus pandemic and to work together more closely to protect public health, jobs and growth, and issued a statement promising to address the health and economic risks.
A series of recent scandals engulfing officials working on the opening ceremony of the Tokyo 2020 Games
Abe got a resounding victory in the snap polls held on Sunday.
Organisers warn participants against eating out over COVID-19 risks.