i'm sonya pemberton. i'm a film maker and a science journalist.many people in this room, i see myself as a conduit between the experts and the public. translating science for the public is kind of what i do and what i focus on. i'm initially started thinking about this film way back in 2009 actually after i made a different film called catching cancer. that was about how viruses can trigger cancers and how in a funny way that's good news because if you can find a virus causing a cancer then you have a chance of creating a vaccine to stop it. and the film went to air and it got lots of nice reviews and things happened, but then i received a rather large proportion of nasty mail and what many people might call hate mail and abuse. i was actually shocked because i spent most of my life growing up in a medical family. i make medical-based films. i started to study medicine. this was my area. i was surprised. so i decided that i wanted to understand why people could be so upset and so angry about vaccines that they would take the time to write me these