Shot of sign reading “University of Pittsburgh - Virus Research Laboratory - Dr. Jonas E. Salk”. Salk speaks to another scientist in a laboratory. Scientists work with needles and glassware, working on a vaccine for polio. Footage of Dr. David Bordean of Johns Hopkins looks into a microscope. Dr. Dorothy Horseman of Yale and others a seen working and discussing in a laboratory. Several women work with vials of a liquid on a laboratory production line. Shot of a family riding off in a car. Families with small children line up and several shots of them entering buildings. Doctors administer shots of polio vaccine to the children.