When a disease is normal and expected among particular people or in a certain area. Where we talk about EndemicJust the Facts Can vaccines spread measles?Blog Measles in MinnesotaBlog I'm a Doctor. Hepatitis B Almost Killed Me Anyway.Blog A Polio Epidemiologist on the Anti-Vaccine MovementBlog We Can Be Complacent No MoreBlog You Can Do Something about Measles OutbreaksDig deeper into Endemic