Release Date: 10 August 1943
A doctor persuades a group of boys to be vaccinated by explaining how it will protect them against disease. Animated sequences depict the body metaphorically as a city, defended by the blood cells, which are stimulated by vaccination to amass arms and ammunition, in order to defend the city when it is invaded by germs.
Runtime: 12 min
Vote Average: 4.3
Vote Count: 6
Production Companies : Walt Disney Productions,
Production Countries: United States of America
Budget: $ 0