Sergey Dryga wrote: > So, with vaccines it is a risk-benefit consideration: do we worry about > potential side effects in 0.0001% vaccinees, or risk 20-30% population > dead? I think Russell's point is not about the potential side effects of traditional vaccines. It is about the potential side effects of genetic manipulation as it is (probably) being done today... potentially creating diseases where no vaccine could help anymore. Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist