By Reuters Staff1 Min ReadTOKYO( Reuters)-A member of the Nigerian Olympics delegation who tested positive for the coronavirus at Japan’s Narita airport on Thursday evening has been admitted to a Tokyo hospital, TV Asahi reported,. The person, in their 60s, had only light symptoms but was hospitalised because of their advanced age and pre-existing conditions, TV Asahi said, adding that it was the first COVID-19 hospitalisation of an Olympics-related visitor.... The person’s gender and other det