On Wed, 20 Feb 2002, Brian Morgan wrote: > What about refusing triple MMR vaccination? This seems to be related to the early autism issues, and the fact that mercury is (or at least was) involved as a preservative. (I don't know if it is still there.) ISTR that some of these folk wished to have the kids get the vaccinations, but not as the combination because of the preservative/autism link. As far as I know, the link to autism has been dropped as an early spurious finding. The levels of mercury are very low. This really is a risk benefit issue in the Hg regard, as there is a real risk, however vanishing small. The risk of measles, mumps or rubella far outweight the risk from the perservative IMNSHO. Some of these discussions have also gone to the level of herd immunity. The problem there, of course, is that one individual opting out, relying on the herd, could end up to be thousands doing so, and that immunity would vanish. -- John M. Price, PhD jmprice@xxxxxxxxxx Life: Chemistry, but with feeling! | PGP Key on request or FTP! Comoderator: sci.psychology.psychotherapy.moderated Atheist# 683
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