I haven't written about measles in over two years, but unfortunately it's in the news again. Measles is a very contagious viral illness that causes a high fever, rash, cough, and a runny nose. Complications include pneumonia, brain inflammation and death. Prior to 1963 there were hundreds of thousands of measles cases in the US annually, causing hundreds of deaths. In 1963 the measles vaccine was introduced, leading to an immediate decrease of measles cases in this country. In 2000 mea...