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Ethylene glycol poisoning is a relatively common occurrence worldwide. Human poisoning often occurs in isolated cases, but may also occur in epidemics. Many cases of poisoning are the result of using ethylene glycol as a cheap substitute for alcohol or intentional ingestions in suicide attempts. Less commonly it has been used as a means of homicide. Children or animals may be exposed by accidental ingestion; children and animals often consume large amounts due to ethylene glycol having a sweet taste. In the United States there were 5816 cases reported to poison centers in 2002. Additionally, ethylene glycol was the most common chemical responsible for deaths reported by US poison centers in 2003. In Australia there were 17 cases reported to the Victorian poison center and 30 cases reported to the New South Wales poison center in 2007. However, these numbers may underestimate actual numbers because not all cases attributable to ethylene glycol are reported to poison control centers. Most deaths from ethylene glycol are intentional suicides; deaths in children due to unintentional ingestion are extremely rare.