Edmonton health officials have confirmed five cases of a serious strain of E. coli linked to food served at a restaurant in the city’s southeast.

A news release from Alberta Health Services warns that anyone who has eaten at Mama Nita’s Binalot since March 15 should monitor themselves for symptoms of the infection.

Health officials are still trying to figure out the source. Operators of the restaurant, located at 1519 Lakewood Rd., have been co-operative, the news release said.

confirmed as the source of the infection, it is known that all of the lab-confirmed cases involved people who ate food from Mama Nita’s Binalot.

The website for Mama Nita’s Binalot says it serves authentic Filipino food that can be ordered for delivery.