Welcome to the Spring 2012 edition of Mariposa News. This is a special issue reporting on PHAEurope’s “Breathtaking” awareness campaign. The campaign, led by PHAEUROPE & Global and supported by Bayer HealthCare, was launched on International Rare Disease Day (RDD), 29th February 2012, under the patronage of Eurordis, the European Organization for Rare Diseases.PHAE&G – Mariposa News (2012 Spring N.7 – SE)