“Imagine being able to protect your children from cavities by taking them, as toddlers, for a painless, nasal vaccination. Two University of Louisville researchers are laying the groundwork for that by turning E. coli bacteria from an enemy to a friend. The general public knows E. coli as a germ that causes food poisoning and diarrhea. It was the culprit behind an outbreak last year, involving bagged spinach, that sickened 205 people and killed three nationwide.

But “if you know how to exploit them (the E. coli bacteria), then you can turn them from enemies into something quite useful,” said George Hajishengallis, an associate professor and university scholar in the University of Louisville School of Dentistry.”

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