Two persons living in Ambala City area were reported ill and are being treated at a hospital, District Civil Surgeon Vinod Gupta said.
Similarly, four members of a family were admitted to a private nursing home this evening after they complained of loose motions and vomiting, he said.
While three members of another family are also being treated, three others were admitted after they complained of similar complications.
Gupta said arrangements have been made to provide adequate medical aid to these patients and a team of doctors is monitoring them.