Vaccine Excipient Summary
Excipients Included in U.S. Vaccines, by Vaccine In addition to weakened or killed disease antigens (viruses or bacteria), vaccines contain very small amounts of other ingredients – excipients. Some excipients are added to a vaccine for a specific purpose. These include: Preservatives, to prevent contamination. For example, thimerosal. Adjuvants, to help stimulate a stronger immune response. For example, aluminum salts. Stabilizers, to keep the vaccine potent during transportation and storage. For example, sugars or gelatin. Others are residual trace amountsRead More→