North Korea on Sunday reported 15 additional deaths from "fever", days after officially confirming its first-ever Covid-19 cases and ordering nationwide lockdowns.
The outbreak, which leader Kim Jong Un has said is causing "great upheaval", leaves a country with one of the world's worst healthcare systems on the edge of potential disaster.
North Korea has no Covid vaccines, antiviral treatment drugs or mass-testing capacity.
While it has maintained a rigid coronavirus blockade since the pandemic's start, experts have said that massive Omicron outbreaks in neighbouring countries meant it was only a matter of time before Covid snuck in.
Despite activating a "maximum emergency quarantine system" to slow the disease's spread through its unvaccinated population, Pyongyang is now reporting large numbers of new cases daily.
Official state media KCNA on Sunday said 42 people had died since the outbreak's beginning, with 8,20,620 cases and at least 3,24,550 receiving medical treatment.
The news agency reported that "all provinces, cities and counties of the country have been totally locked down and working units, production units and residential units closed from each other."
North Korea first revealed the highly contagious Omicron variant had been detected in the capital on Thursday, with Kim ordering nationwide lockdowns after an emergency meeting of the country's Politburo.
"The spread of malignant disease comes to be a great upheaval in our country," Kim said Saturday.
Learning from China
Sunday's KCNA report did not specify whether the new cases and deaths tested positive for Covid-19, but experts say the country will struggle to screen and diagnose on this scale.
North Korea's healthcare system ranked 193 out of 195 countries in a 2021 Johns Hopkins University survey.
Kim has said the country will "actively learn" from China's pandemic management strategy, according to KCNA.
China, the world's only major economy still maintaining a zero-Covid policy, is battling multiple Omicron outbreaks -- with lockdowns in some major cities, including financial hub Shanghai, sparking increasing public frustration.
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North Korea has previously turned down offers of Covid vaccines from China and the World Health Organization's Covax scheme, but both Beijing and Seoul have issued fresh offers of aid and vaccines since the outbreak was announced.
Despite the public health crisis, new satellite imagery indicates North Korea has resumed construction at a long-dormant nuclear reactor.
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The United States and South Korea have warned that Kim is preparing to conduct another nuclear test -- the regime's seventh -- and that it could come any day.
Analysts have warned Kim could speed up nuclear testing plans to distract North Korea's population from the disastrous coronavirus outbreak.
