The first two COVID vaccines (Pfizer and Moderna) to be approved by the FDA contain mRNA and other, normal vaccine ingredients, such as fats, salts, as well as a small amount of sugar. These COVID vaccines were not developed using fetal tissue, and they do not contain any material, such as implants, microchips, or tracking devices.

https://www.hopkinsmedicine.org/health/conditions-and-diseases/coronavirus/covid-19-vaccines-myth-versus-fact (Johns Hopkins Medicine)
https://www.uclahealth.org/u-magazine/what-s-in-that-covid-19-vaccine (UCLA Health)

Updated 12/16/2021