Members of Uganda’s Olympic team prepare to leave for Osaka, at Narita Airport in Narita, near Tokyo early Sunday June 20, 2021. A member of the team has tested positive for the coronavirus and was barred entry into Japan, in the first detected infection among arriving athletes for the Tokyo Games opening in five weeks. (Sadayuki Goto/Kyodo News via AP)

Members of Uganda’s Olympic team leave Narita Airport in Narita, near Tokyo early Sunday June 20, 2021. A member of the team has tested positive for the coronavirus and was barred entry into Japan, in the first detected infection among arriving athletes for the Tokyo Games opening in five weeks. (Sadayuki Goto/Kyodo News via AP)

Members of Uganda’s Olympic team arrive at Narita Airport in Narita, near Tokyo Saturday, June 19, 2021. A member of the team has tested positive for the coronavirus and was barred entry into Japan, in the first detected infection among arriving athletes for the Tokyo Games opening in five weeks. (Sadayuki Goto/Kyodo News via AP)

Members of Uganda’s Olympic team arrive at Narita Airport in Narita, near Tokyo Saturday, June 19, 2021. A member of the team has tested positive for the coronavirus and was barred entry into Japan, in the first detected infection among arriving athletes for the Tokyo Games opening in five weeks. (Sadayuki Goto/Kyodo News via AP)

Members of Uganda’s Olympic team prepare to leave for Osaka, at Narita Airport in Narita, near Tokyo early Sunday June 20, 2021. A member of the team has tested positive for the coronavirus and was barred entry into Japan, in the first detected infection among arriving athletes for the Tokyo Games opening in five weeks. (Sadayuki Goto/Kyodo News via AP)