A strain of salmonella never before seen in Kansas is making people sick. The Sedgwick County Health Department says it is investigating 13 cases of Salmonella Group B.

The strain is passed through raw and undercooked meat, eggs and poultry. But at this time, the health department can’t explain the reason outbreak.

Officials have found no common link in any of the cases.

The victims range in age from 1 to 57, and three people have been hospitalized.