Vaccines and Vaccination
Vaccinations are treatments that help the body defend itself against disease and infection. Vaccines help the immune system get better at fighting disease-causing agents. Some vaccines provide life-long immunity, but sometimes people need to get a vaccine every year to remain immune to a disease. Vaccines have been around for hundreds of years and have prevented millions of deaths. Scientists continue to study disease and create new vaccines. Vaccines proved to be a valuable tool in fighting the COVID-19 pandemic.
The first vaccine was developed by English doctor Edward Jenner in 1796. Jenner developed a vaccine to prevent smallpox, a deadly disease that was causing thousands of deaths every year. Jenner’s idea for a smallpox vaccine came from his observations...Read more