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: Medicine
[{'content': 'All of the following statements are true for hepatitis- E\nexcept: \nSelect and explain. \nA. Commonest cause for epidemic in India, B. Affects children more than adults, C. Causes fulminant hepatic failure, D. Effects pregnant females and responsible for their mortality', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The incubation period ranges from 2-9 weeks with an average of six weeks. Most cases occur in young to middle-aged adults (15-40 years old).\xa0\nThe disease is generally mild and self-limited, with a low case fatality of about 1 percent. A unique feature is the clinical severity and high case fatality rate of 20-40 percent in pregnant women, especially in the last trimester of pregnancy.\xa0\n\xa0Reference: Ananthanarayan Microbiology\xa0 8th edition page no\xa0 554', 'role': 'assistant'}]