enterotoxin Article 2 Bacterial Proteins 2 Bacterial Toxins 2 Enterotoxins 2 Epidemiology 2 bacterial protein 2 bacterial strain 2 bacterial toxin 2 bacterium isolate 2 controlled study 2 molecular epidemiology 2 nonhuman 2 prevalence 2 Adolescent 1 Adult 1 Aged 1 Aged, 80 and over 1 Clostridioides 1 Clostridioides difficile 1 Clostridium Infections 1 Clostridium difficile 1 Clostridium difficile infection 1 Clostridium difficile toxin A 1 Clostridium difficile toxin B 1 Clostridium infection 1 DNA, Bacterial 1 Diarrhea 1 Evolution 1 Feces 1