Information about the Pfizer-BioNTech COVID-19 Vaccine

 Information about the Pfizer-BioNTech COVID-19 Vaccine

Sugar and acid stabilizers:

  • Sucrose (table sugar)
  • Tromethamine
  • Tromethamine hydrochloride

Purpose
Work together to help keep the vaccine molecules stable while the vaccine is manufactured, frozen, shipped, and stored until it is ready to be given to a vaccine recipient.

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