Vaccines typically contain many of the following fillers: • aluminum hydroxide • aluminum phosphate • ammonium sulfate • amphotericin B • animal tissues: pig blood, horse blood, rabbit brain, • dog kidney, monkey kidney, • chick embryo, chicken egg, duck egg • calf (bovine) serum • betapropiolactone • fetal bovine serum • formaldehyde • formalin • gelatin • glycerol • human diploid cells (originating from human aborted fetal tissue) • hydrolized gelatin • mercury thimerosol • monosodium glutamate (MSG) • neomycin • neomycin sulfate • phenol red indicator • phenoxyethanol (antifreeze) • potassium diphosphate • potassium monophosphate • polymyxin B • polysorbate 20 • polysorbate 80 • porcine (pig) pancreatic hydrolysate of casein • residual MRC5 proteins • sorbitol • sucrose • tri(n)butylphosphate, • VERO cells, a continuous line of monkey kidney cells, and • washed sheep red blood