There seems to be a world-wide rash of food-borne illness being felt by school children. Here's a sampling of some of the headlines and links to the articles:
Australia, Dec 20th:
"Probe after kids fall ill with suspected food poisoning"
Marion County, Indiana, Dec 18th:
"Marion County Health Officials Issue Shigellosis Alert"
Mumbai, India, Dec 20th:
"Mumbai milk 'poisoned children' "
UK, Dec 19th:
"Pupils hit by Salmonella bug"
Yunnan, China, Dec 17th:
"Four Chinese Pupils Dead From Suspected Food Poisoning"