It remains unclear to what extent , under what conditions , or by what mechanisms aEPEC serves as a primary pathogen in individuals with diarrhea .
It seems likely that a combination of host and bacterial factors enable aEPEC to cause disease in some individuals and not in others .
It remains unclear to what extent , under what conditions , or by what mechanisms aEPEC serves as a primary pathogen in individuals with diarrhea .
It seems likely that a combination of host and bacterial factors enable aEPEC to cause disease in some individuals and not in others .