Pottawattamie County has confirmed its first case of COVID-19, the county's health department said in a release Monday afternoon.

The

and other county officials gave an update at a news conference Monday evening to share more details about the case.

Pottawattamie County Planning Director Matt Wyant said the "presumptive positive" case is a Council Bluffs woman between the ages of 41 and 60 who had recently been in California. She's an employee of Panera Bread, Wyant said, and has some underlying health factors.

Wyant said the woman went to UNMC on her own after she began exhibiting symptoms and was tested for COVID-19.

The investigation into her case began Saturday, he said. Officials are working to retrace her whereabouts in order to inform those who may have come into contact with her, Wyant said, and the woman and her family are being cooperative in that process.

Her coworkers have self-screening information, but it is unknown at this time whether any of them are undergoing testing for COVID-19, officials said.

is the store's only location in Pottawattamie County.

, including the first Nebraskan diagnosed.

Lincoln officials announced Monday afternoon that

. The Lincoln Lancaster County Health Department said there was a basketball team from Lincoln that attended the event that

.

—

This is a developing story. Stay with 6 News for more updates.