Jun 10 - By Associated Press
Health officials are blaming bacteria and parasites in the Oklahoma River for sickening dozens of international triathlon participants last month.
May 26 - By Murray Evans, Associated Press Writer
About 20 athletes became sick after participating in a triathlon this month that included a swim in the Oklahoma River, which has had problems with fecal coliform pollution, state health officials said Tuesday.

May 11 - By RAFIQ MAQBOOL, STF
Only a few dozen of about 570 female students attended class in eastern Afghanistan on Thursday after an apparent attack with poison gas sickened more than 80 girls this week.
Apr 24 - By Associated Press
New York City health officials say that about 75 students at a Queens high school have fallen ill with flu-like symptoms and testing is under way to rule out the strain of swine flu that has killed dozens in Mexico.
Nov 2 - By Associated Press
Two students sprayed a noxious gas in the main hallway of a high school, sickening 43 students and sending six to the hospital, police said.
Dec 14 - By Associated Press
An elementary school was evacuated, a teacher sent to the hospital and hundreds of students quarantined Thursday after the woman opened an envelope containing white powder that was later found not to be hazardous, authorities said.