Ontario hospitals have been hit by a "superbug" that has already claimed the lives of 18 elderly patients.
Clostridium difficile, usually known as C. difficile, is one of the most common infections in hospitals and nursing homes, according to the Toronto Globe and Mail. It causes severe diarrhea and is passed along through hand contact.
Three hospitals in the St. Catharines-Niagara Falls area have been hit especially hard by the new outbreak.
Sixty-six patients in the Niagara Region have been infected, and 16 have died.