Noun | 1. | ![]() DPT vaccine - abbreviation for combination vaccine against diphtheria and pertussis (whooping cough) and tetanus toxoids; usually given in a series of injections in early childhood immunizing agent, immunogen - any substance or organism that provokes an immune response (produces immunity) when introduced into the body pneumococcal vaccine, Pneumovax - vaccine (trade name Pneumovax) effective against the 23 most common strains of pneumococcus poliovirus vaccine - vaccine prepared from poliovirus to provide immunity to poliomyelitis proteosome, proteosome vaccine - a form of vaccine that can be administered by an inhaler |