Includes bibliographical references (page 31) and index.
Summary:
"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"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.