2-year-old dies from E. coli after visiting San Diego County Fair petting zoo

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A toddler has died and three other children have fallen sick after contracting E. Coli infections at the San Diego County Fair. The CDC estimates that 265,000 harmful E. Coli infections -- known as STEC -- occur each year, and PETA has documented hundreds of cases specifically related to petting zoos since 2010.