This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
Rotavirus vaccine is - 
Select and explain. 
A. Live oral, B. Killed intramuscular, C. Killed subcutaneous, D. Live subcutaneous
A: Live oral
Answer: A: Live oral 
Explanation: Ans. is 'a' i.e., Live oral * The Rotavirus vaccines are live -attenuated vaccines given orally.* Two new vaccines are now in use -i) RV5 oralpentavalent 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 * 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.