>> a major ruling in and a long heated debate on a connection between vaccines and autism. three judges in three separate cases ruling an additive in vaccine does not cause autism. >> jamie: what do doctors and parents think about the rulings? how significant is it considered in the medical world? joining us now, the man who knows, fox news medical a-team managing editor, fox news health.com, dr. manny alvarez, thanks for seeing you, thank you for coming in. >> thank you. >> jamie: you've studied this very closely. >> i did, remember, my son is autistic, something i've been living for for 12 years now. the bottom line, i don't think that anything is going to dramatically change. this is a court ruling about litigation going back to 2002, where families of many children afflicted with autism felt that the vaccine, the preservative in the vaccine, the mercury