"Vaccines safely introduce the body to diseases, which helps people fight them later on. Early vaccinations took place centuries ago. Doctors across nations took up the fight, developing vaccines for diseases from smallpox to COVID-19"--
Ages 8-12 Graphic Universe.|||Grades 4-6 Graphic Universe.|||juvenile
Paige V. Polinsky ; illustrations by Dante Ginevra.
Includes bibliographical references and index.
