Passive immunization is available for protection of unimmunized individual from polio known as:A. Immune serum globulinB. Foreign antigenC. ToxinsD. Toxoid 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments