Researchers have, for the first time, estimated how quickly E. coli bacteria can spread between people — and one strain moves as fast as swine flu. Using genomic data from the UK and Norway, ...

An E. coli outbreak linked to romaine lettuce ripped across 15 states in November, sickening dozens of people, including a 9-year-old boy in Indiana who nearly died of kidney failure and a 57-year-old ...

An E. coli outbreak in Arizona has been linked to the state fair's petting zoo, sickening dozens of children. State health officials did not publicly identify the fair as the source, citing a policy ...

Jason Palmer, a natural resource biologist with the Iowa DNR, kneels next to a water pump at Big Creek beach in central Iowa. The pump siphons water from the knee-deep zone of the swimming area ...