TOKYO, July 15 (Reuters) - The Tokyo 2020 Olympics, postponed for a year due to the coronavirus pandemic, will be held under unprecedented conditions and tight quarantine rules to prevent the spread of COVID-19 infections.

Yet a number of cases have emerged involving athletes and other people involved with the Games.

The following is a list to date, in chronological order.

JUNE 20 - A coach with Uganda's squad tests positive on arrival at Narita airport and is quarantined at a government-designated facility.

The rest of the team heads by bus for 바카라 their host city, Izumisano near Osaka in western Japan.

JUNE 23 - A Ugandan athlete tests positive, Isumisano officials said.

JULY 4 - A member of Serbia's Olympic rowing team tests positive on arriva
/>The other four team members are isolated as close contacts.

JULY 9 - One Lithuanian and one Israeli athlete test positive, according to reports.

JULY 14 - A masseur for the Russian women's rugby sevens team tests positive, forcing the team into isolation for two days, the RIA news agency report

/>Officials in Munakata, southwestern Japan, confirmed that one staff member was hospitalised and said none of the team members could be considered close contacts.

- The refugee Olympic team has delayed its arrival in Japan following a positive case with a team official in Doh
/>The infected official is in quarantine without symptoms and 26 of the 29 refugees will remain in their Doha training camp. [n:1N2OQ0K3]

- Seven staff at a hotel in Hamamatsu, central Japan, where dozens of Brazilian athletes are staying have tested positive, a city official said.

- Twenty-one members of the South African rugby team are in isolation after they are believed to have been in close contact with a case on their fligh

/>(Reporting by Elaine Lies; Editing by Michael Perry)