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Both the Pfizer-BioNTech and the Moderna COVID-19 vaccines use genetically engineered messenger RNA (mRNA). The mRNA in the vaccine tells your cells how to make a harmless piece of virus that causes COVID-19.
mRNA vaccines and immunity. Melanie Swift, M.D., COVID-19 Vaccine Allocation and Distribution, Mayo Clinic: We've got two really effective vaccines from Pfizer and Moderna. These vaccines are about 95% effective at preventing COVID-19 disease. These vaccines work by delivering some of this mRNA into our cells. The SARS COV-2 virus got a genetic ...
The Pfizer BioNTech and the Moderna COVID-19 vaccines use genetically engineered messenger RNA (mRNA). The mRNA gives cells instructions for how to make a piece of protein found on the surface of the COVID-19 virus.
September 13, 2023. Ahead of the fall respiratory virus season, the Food and Drug Administration has approved two updated COVID-19 vaccines. The new messenger RNA, or mRNA, vaccines from Moderna and Pfizer/BioNTech are formulated to better target variants that are currently circulating and will replace outdated vaccines.
Find out how the COVID-19 vaccines work, how many doses are needed, possible side effects and who shouldn't get the vaccine.
Both the Pfizer/BioNTech and the Moderna COVID-19 vaccines use messenger RNA (mRNA). Coronaviruses have a spike-like structure on their surface called an S protein. COVID-19 mRNA vaccines give cells instructions for how to make a harmless piece of an S protein.
The mRNA in the vaccine is fragile and cleared from your body quickly. It does not get close to your genes. The protein that your cells make in response to the vaccine is cleared over a few weeks and appears to stay close to the site of the vaccination — such as in your arm.