Our Vax Facts Friday series tests your knowledge with a trivia question from Just the Vax, the Vaccine Education Center's vaccine trivia game! We’ll be taking a break from posting a trivia question the next few weeks. See you on January 9th!

Throughout history, people have faced infectious diseases. Because we transmit many of these infections to others, it’s an important societal goal to reduce their potential impact in our communities. In the past few centuries, we have made marked progress, and much of that has been the result of a field of science known as epidemiology. Epidemiology is a discipline focused on where, why and how disease occurs in a population in order to inform prevention strategies.

Our Vax Facts Friday series tests your knowledge with a trivia question from Just the Vax, the Vaccine Education Center's vaccine trivia game!

When we think of memory, typically we think of our ability to recall facts, dates, or past experiences.

Science is the process by which we develop knowledge. Over time, and with many experiments, a consensus about a scientific topic develops. However, science is ever evolving, meaning it changes as new information comes to light. That does not mean that previous research is outdated or irrelevant. Rather, it demonstrates that science builds on past understanding.