The News-Review reports that health types have found that seven people who have become ill with Salmonella ate at the Los Dos Amigos restaurant in downtown Roseburg, Oregon, from April 9 to April 17.

Douglas County Public Health officials and the Oregon Department of Human Services are investigating.

“The restaurant is fully cooperative and working with our agencies to help identify the source and address any issues,” Public Health Division Director Dawnelle Marshall said in the release. “At this point in time, no specific food item stands out as a likely source.”