Yahoo! Mail - iyam_leq@yahoo.com: "The WSJ says up high that the flu vaccine shortage is actually the eighth major U.S. shortage of a vaccine since 2000. Supplies of vaccines for diphtheria, tetanus, chickenpox, and measles have all been inadequate at one point or another recently. Among the problems, profits for vaccines are thin. According to one apparently non-partisan study cited by the Journal, that's partially because the government keeps prices artificially low by buying about 50 percent of vaccine production and negotiating cut-rate deals."