How do vaccines work?

How Do Vaccines Work?: The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. read more

Understanding How Vaccines Work Last reviewed Februar y 2013 . Diseases that vaccines prevent can be dangerous, or even deadly. Vaccines greatly read more

Before a vaccine is recommended for use in the United States, the Food and Drug Administration (FDA) makes sure that it works — and that it’s safe. Learn more about vaccine safety. read more

Antibodies also work with other defensive molecules that circulate in the blood, called complement proteins, to destroy microbes. The work of B cells is called the humoral immune response, or simply the antibody response. The goal of most vaccines is to stimulate this response. read more