by Harumi OZAWA TOKOROZAWA, Japan (AFP) — Olympic boxing hopeful Arisa Tsubata is used to taking blows in the ring but it is during her work as a nurse that she faces her toughest opponent: coronavirus. The 27-year-old juggles a brutal training regime in boxing gloves with long, irregular hours in surgical gloves at a hospital near Tokyo. Tsubata mainly treats cancer patients but she said the virus was a constant threat, with medical experts […]