This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is not an example of Direct transmission in communicable disease? \nSelect and explain. \nA. Transplacental, B. Soil contact, C. Droplet nuclei, D. Skin contact', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Direct transmission includes the following modes of transmission: 1. Direct Contact 2. Droplet infection 3. Contact with soil 4. Inoculation into skin/mucosa 5. Trans-placental (veical) Indirect transmission: 1. Vehicle-borne 2. Vector-borne Mechanical Biological 3. Air-borne Droplet nuclei Dust 4. Fomite-borne 5. Unclean hands and fingers', 'role': 'assistant'}]