governor yoshimura hiromi says 80 nurses have been secured so far but noted this is not enough.e is also asking for sdf nurses to be sent in for reinforcement. a hospital in hokkaido investigated how 16 people, including patients and nurses, became infected. the hospital says the cluster appears to have started with a patient who tested negative in a pcr test on admission. the patient was hospitalized with a different disease in late october and was discharged two days later. about ten days later, two nurses who looked after the patient reported fever and upset stomach and tested positive for the virus. >> translator: we must assume that every patient may have contracted the virus the day before taking a pcr test. and we should treat our patients on the assumption that they may show covid-19 symptoms anytime until about two weeks after contracting the virus. >> a clustered infection on a remote island is pushing medical workers in southern hokkaido to the brink. 53 people or about 2% of the population of okushiri island have been infected. many of the infected people were sent t