This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'When transfer factor is given as treatment results in - \nSelect and explain. \nA. Natural active immunity, B. Aificial active immunity, C. Aificial passive immunity, D. Adoptive immunity', 'role': 'user'}, {'content': "Answer: D \nExplanation: Adoptive immunity: a special type of immunisation is the injection of immunologically competent lymphocytes. - instead of whole lymphocytes, an extract of immunologically competent lymphocytes, known as the transfer factor can be used. This has been attempted in the treatment of ceain types of diseases like lepromatous leprosy. Reference: Anathanarayan & paniker's 9th edition, pg no:84 <\\p>", 'role': 'assistant'}]