No, There Are No Microchips in Coronavirus Vaccines Katherine J. WuTracking viral misinformation No, There Are No Microchips in Coronavirus Vaccines Katherine J. WuTracking viral misinformation There are 10 ingredients in Pfizer’s coronavirus vaccines. Contrary to several conspiracy theories circulating online, a tracking microchip planted by the government to surveil the movements of Americans is not among them. Here are the ingredients → Katherine J. WuTracking viral misinformation The active ingredient is a molecule called messenger RNA, or mRNA, which contains genetic instructions for a coronavirus protein called spike. The mRNA instructs human cells to manufacture spike. This helps the body learn one of the virus’s traits, so that the virus will be recognized and quashed if it tries to establish an infection.