This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rotavirus, Subject name: Microbiology
[{'content': 'True about rotavirus vaccine- \nSelect and explain. \nA. Killed vaccine, B. Given subcutaneous, C. Pentavalent vaccine, D. Should be given before 5 years', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Pentavalent vaccine o The Rotavirus vaccines are live -attenuated vaccines given orallyo Two new vaccines are now in use -i) RV5 oral pentavalent vaccine (Rota teq) Contains five reassortant rotaviruses developed from 5 human strains on bovine rotavirus background ii) RV1 monovalent vaccine (Rotarix) contains one live attenuated rotavirus strain o The administration of Rotarix (2 doses) and Rota Teq (3 doses) needs to be completed by 32 weeks of age to minimize any potential risk of intusscusception.", 'role': 'assistant'}]