Does anyone know what reporting practices are like in Japan? I'm definitely not meaning to cast aspersions but I remember early in the pandemic there were conce

Does anyone know what reporting practices are like in Japan? I'm definitely not meaning to cast aspersions but I remember early in the pandemic there were concerns cases were being underreported, in part due to issues related to the Olympics. The Olympics have passed but was there truth to any of it and if so is it still an issue?