The data represents an unprecedented admission of an "explosive" outbreak in a country that had previously reported no confirmed cases since the pandemic began, and could mark a grave public health, economic, and political crisis for the isolated regime.
Experts said that given North Korea's limited testing capabilities, the numbers released so far probably represent a small fraction of the infections, and could lead to thousands of deaths in one of only two countries in the world without a COVID-19 vaccination campaign.
About 187,800 people are being treated in isolation after a fever of unidentified origin has "explosively spread nationwide" since late April, the official KCNA news agency reported.
Roughly 350,000 people have shown signs of that fever, including 18,000 who newly reported such symptoms on Thursday, KCNA said. About 162,200 have been treated, but it did not specify how many had tested positive for COVID-19.