Vaccines save lives. Smallpox was eliminated from the world because of vaccines. It killed roughly 200 million to 500 million people worldwide in the 1800s and continued until immunization against it became widespread. When English physician Edward Jenner introduced the first smallpox immunization in the late 1780s, it took decades before people believed in it. Don’t get me wrong, the first vaccination had lots of problems, but so did smallpox. Now, let’s go on to childhood i
