<qa>  What is the name of the group that is a positive stool culture?7. At the time of screening participants with a positive stool culture for enteric pathogens, pathogenic ova or parasites, or Clostridium difficile toxin and have clinically significant signs of an enteric infection, i.e. diarrhea, fever, abdominal pain. participants will be eligible for enrollment if stool cultures are positive but do not have clinically significant signs or symptoms or infection and receive appropriate antibiotic treatment. A repeat stool culture will be obtained at the completion of antibiotic treatment. 