A Simple Breakdown of the Ingredients in the COVID Vaccines – COVID-19, Health Topics – Hackensack Meridian Health

January 11, 2021Clinical Contributors to this Story

Juan C. Ravell, M.D. contributes to topics such as Allergy and Immunology.

The Pfizer-BioNTech and Moderna COVID-19 vaccines were given Emergency Use Authorization (EUA) from the U.S. Food and Drug Administration (FDA) in mid-December 2020. Prior to authorization by the FDA, these vaccines underwent the same rigorous safety and effectiveness standards as all other vaccines. Quickly, vaccine distribution began, starting with health care professionals on the frontlines of patient care.

Once available to the broader public, its critical that a high percentage of the population receive the vaccine in order to achieve herd immunity against COVID-19. Herd immunity occurs when most of a population is immune to an infectious disease (either from previous infection and/or vaccination) and provides indirect protection to those who are not immune to the disease.

There have been many rumors flying around on the internet about whats in the vaccine. Some rumors even suggested that the vaccines contain gluten, wheat, eggs and even bee venom! All of that is simply, untrue.

If youre among the many wondering whats actually in it? and, is it safe to receive the injection?, keep reading.

There are two COVID-19 messenger-ribonucleic acid (mRNA) vaccines currently authorized for emergent use in the United States: the Pfizer-BioNTech and the Moderna vaccines. Conventional vaccines rely on weakened and inactivated pathogens or a fragment of the pathogen to trigger an immune response. In contrast, the COVID-19 mRNA vaccines use a novel approach by which mRNA is delivered into our cells to provide the genetic instructions for our own cells to temporarily make a specific viral protein that triggers an immune response.

There are rumors that mRNA vaccines will alter our DNA because the RNA molecule can convert information stored in DNA into proteins. Thats simply, not true. Its critical to note that the mRNA vaccines never enter the nucleus of the cell, where our DNA is stored. After injection, the mRNA from the vaccine is released into the cytoplasm of the cells. Once the viral protein is made and on the surface of the cell, mRNA is broken down and the body permanently gets rid of it, therefore making it impossible to change our DNA.

The remaining ingredients (below), including acids, acid stabilizers, salt and sugar all work together to maintain the stability of the vaccine after its produced.

Thats it!

Overall, the main ingredients in the Pfizer-BioNTech and Moderna vaccines are very similar, both vaccines were found to be safe and efficacious in preventing symptomatic COVID-19 disease in rigorously conducted clinical trials. These COVID-19 mRNA vaccines are safe and went through the same rigorous testing process as other vaccines before being approved for emergent use in the United States. Although local and systemic side effects have been reported, as is the case for many other medical interventions, the risk of lacking protection against COVID-19 and developing severe disease far exceeds those posed by the vaccine itself. says Juan Ravell, M.D., division chief of allergy and immunology at Hackensack University Medical Center. These ingredients are safe and the development of COVID-19 mRNA vaccines marks a huge step towards acquiring heard immunity and the end of this pandemic.

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The material provided through HealthU is intended to be used as general information only and should not replace the advice of your physician. Always consult your physician for individual care.

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A Simple Breakdown of the Ingredients in the COVID Vaccines - COVID-19, Health Topics - Hackensack Meridian Health