COVID-19 outbreak

After saying there were no cases, officials on May 12 announced an outbreak. But without an adequate supply of tests, some say North Korea is "flying blind." And it still doesn't have vaccines.

At least 17 people on board the Norwegian Breakaway tested positive for COVID-19, including one probable case of the omicron variant. The cruise line said that all confirmed cases are asymptomatic.

When his friends started to get sick after a week of parties, Michael Donnelly started keeping track. His work — and his community's willingness to help — led the CDC to a major pandemic discovery.