1,400 of children fall ill with symptoms of food poisoning in Japan , Hamamatsu . Authorities suspect norovirus caused the outbreak . Health officials are testing school lunches to determine the origin of the illness . The case follows a food poisoning scare that left Hundreds people ill in less than a month .
Hundreds of children fall ill with symptoms of food poisoning in Hamamatsu , Japan . Authorities suspect norovirus caused the outbreak . Health officials are testing school lunches to determine the origin of the illness . The case follows a food poisoning scare that left 1,400 people ill in recent weeks .