SINGAPORE, Sept. 14 (Xinhua) -- Seventeen children and two staff members at a pre-school in eastern Singapore developed symptoms of gastroenteritis from Sept. 9, authorities said on Sunday.

No one was hospitalized, and the case is under investigation, according to a joint statement by the Communicable Diseases Agency, the Early Childhood Development Agency (ECDA), and the Singapore Food Agency (SFA).

The ECDA said it is monitoring the situation and working with the pre-school operator to safeguard the well-being of pupils and staff. The agency has also reminded the pre-school to comply with infection prevention and control guidelines.

Meanwhile, the SFA has been working with the ECDA to strengthen food safety practices in pre-schools, the statement added. ■