This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Full blown Immunodeficiency syndrome is - \nSelect and explain. \nA. High viral titres with low CD 4 count, B. Low viral titres with low CD 4 count, C. Low viral titres with high CD 4 count, D. High viral titres with high CD 4 count', 'role': 'user'}, {'content': 'Answer: A \nExplanation: HIV infects CD4 T cells. Thus in full blown infection, there will be high viral titres with low CD4 count.Textbook of microbiology REF:Ananthanarayan and Paniker. Page no.:574', 'role': 'assistant'}]