Elizabeth Steiner Hayward

How quickly things change. If there's one thing I always feel obligated to warn my fellow pro-science advocates about vaccines and the antivaccine movement, it's that we can never rest on our laurels or assume that the tide is turning in our direction. The reason is simple: Antivaccinationism is a powerful belief system, every bit as powerful as religion and political ideology. It's powerful not just among antivaccinationists, but also because it taps into belief systems that are very much part and parcel of being an American. In fact, depressingly, yesterday I learned of a perfect example of…