mRNA vaccines
Definition
mRNA vaccines are a new type of vaccine to protect against infectious diseases. To trigger an immune response, many vaccines put a weakened or inactivated germ into our bodies. mRNA vaccines instead teach our cells how to make a protein—or even just a piece of a protein—that triggers an immune response inside our bodies.
Related terms
Immune System: The body's defense against infectious organisms and other invaders through a series of steps called the immune response.
Antibodies: Proteins produced by the body's immune system when it detects harmful substances such as bacteria or viruses; they help neutralize these threats.
Vaccine Efficacy: The percentage reduction in disease incidence in a vaccinated group compared to an unvaccinated group under optimal conditions.
"mRNA vaccines" appears in:
Study guides (1)
AP World History: Modern - 9.2 Technological Advances and Limitations after 1900: Disease
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About Us
About Fiveable
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Careers
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Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Cram Events
Merch Shop
Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.