“Timely, quickly paced. . . . An exciting, informative introduction to medical research.” —Kirkus Reviews
“Gently cheerful. . . . The message that a solution was found to a disease outbreak before is a reassuring one, and kids may wish to learn more about Dr. Salk.” —The Bulletin
“A recommended purchase for most libraries. This title explains how vaccines work, provides historical context, and inspires the hope of a victory over the current pandemic.” —School Library Journal
