This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'True about mycobacterium leprae ? \nSelect and explain. \nA. Transmitted by droplet infection, B. Phenolic glycolipid (PGL) is virulence factor, C. Generation time 12-13 days, D. All are true', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All are true Generation time of M. leprae is 12-13 days.'Phenolic glycolipid- I (PGL-1)' acts as a virulence factor.Modes of transmission are :?Droplet infection : Most common mode.Contact transmission : Either direct (skin to skin) or indirect (contact with contaminated soil or fomite).Other : Breast milk from lepromatous leprosy, by insect vector, by tattooing needles.", 'role': 'assistant'}]