Boxers Kellie Harrington and Brendan Irvine will carry the Irish flag at Friday's opening ceremony at the Olympics.
2018 world lightweight champion Harrington is among Ireland's best medal prospects in Tokyo, in what will be her maiden Games.
Irvine is going into his second Olympics, having boxed in Rio in 2016.
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Meanwhile the number of new cases of Covid-19 among people involved in the Olympics is up nine to 67.
That includes the Czech volleyball player and US gymnast who tested positive yesterday.