Oral polio virus vaccine is which type of vaccine: A. Live attenuated vaccine B. Heterologous vaccine C. Killed inactivated vaccine. D. Sub unite vaccines 0 0 votes Article Rating Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline Feedbacks View all comments