>I'm interested in this whole issue, my Mother lost our 20 yr Morgan >palomino herd sire to a reaction to a PHF shot, and he had had perfect >health his whole life. > >While I'm at it, what is DPT? I ask because I have adult onset asthma, >along with a friend of mine. > >Thanks for your time............... > >Helga >hblmh@ptd.net >Beacon Morgan Horses >http://home.ptd.net~hblmh