Ключевые слова: abdominal, antibiotic, antibody, antiserum, bacteria, bleeding, blur, cold, cure, dangerous, diagnosis, disease, enteric, epidemic, exhaustion, fever, flu, focus, food, gastrointestinal, health, ill, illness, infection, injection, life, medical, medicament, medicine, orange, perforation, pills, red, salmonella, selective, sick, syringe, text, tract, treatment, typhoid, typhus, vaccination, virus,