Felicia D. Goodrum Sterling Heidi L. Pottinger By FELICIA D. GOODRUM STERLING, PhD and HEIDI L. POTTINGER, DrPH, MPH, MA The measles outbreak in Washington state this week has brought new attention to the anti-vaccine movement.  In fact, the World Health Organization recently identified “vaccine hesitancy” as one of top threats to global health. In the US, the number of unvaccinated children has quadrupled since 2001, enabling the resurgence of infectious diseases long-since controlled.  In fact, the WHO claims a…