but tateda says officials were tryiying to o prevent overwhelm the health care system. >> translator: hospitals have limited capacity. so if a lot of people with mild symptoms went to get tested, it could have led to a surge in hospital infections and collapsed the medical system. it is important to have hospitals focused on people who are in serious condition. >> reporter: tateda says the focus now is on what happens if there's a second wave of infection. cases in china and south korea have rebounded after they eased restrictions and reopened their economy. >> translator: we have to figure outt how to prevent more infections while also reducing the damage to our economy. we also need to expand the way we test to prevent clusters within japan. and prevent the virus from coming inn from abroad. >> reporter: tateda warns that even though the number of cases is decreasing, it's still too early to celebrate. and that the battle against the coronavirus is still far from over. nhk world, tokyo. >>> new york governor andrew cuomo says he's cautious about reopening the state's economy pointin