The Food and Drug Administration and Centers for Disease Control and Prevention announced that the romaine lettuce scare is officially over.

Escherichia coli (E. coli) is the single most common pathogen in both community and hospital-acquired urinary tract infections (UTIs), accounting for 80 to 90 percent of cases, according to "Infectious Diseases of the Female Genital Tract." In contrast to many other microorganisms implicated in UTIs, E.