Procter & Gamble has signed a deal with Intralytix Inc. to collaborate on the development of new products using antibacterial technology, according to a statement from Intralytix. Baltimore, Md.-based Intralytix is a biotechnology company that already has two bacteriophage-based products on the market that reduce or eliminate harmful bacteria. A bacteriophage is a virus that infects bacteria. Bacteriophage therapy is commonly used as an alternative to antibiotics in parts of Ea...