thimerosal (mercury derivative) 1:10,000 is added as a preservative
DESCRIPTION
Menomune ® , Meningococcal Polysaccharide Vaccine, Groups A, C, Y and W-135 Combined, is a freeze-dried preparation of the group-specific polysaccharide antigens from Neisseria meningitidis, Group A, Group C, Group Y and Group W-135 for subcutaneous use. The diluent is sterile pyrogen-free distilled water to which thimerosal (mercury derivative) 1:10,000 is added as a preservative. After reconstitution with diluent as indicated on the label, each 0.5 mL dose contains 50 mcg of “isolated product” from each of Groups A, C, Y and W-135 in isotonic sodium chloride solution preserved with thimerosal (mercury derivative). Each dose of vaccine also contains 2.5 mg to 5 mg of lactose added as a stabilizer. 1 The vaccine when reconstituted is a clear colorless liquid.