
MRNA vaccine | Description, Technology, Uses, & Side Effects
Jan 13, 2026 · An mRNA vaccine is a type of vaccine that uses a synthetic version of a molecule known as messenger RNA (mRNA) to instruct cells in the body to produce a protein that trains the immune …
Messenger RNA - Wikipedia
Messenger ribonucleic acid (mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of synthesizing a protein. [1][2]
FDA declines to review Moderna's mRNA flu shot - NBC News
1 day ago · The Food and Drug Administration rejected Moderna’s application for its mRNA-based flu vaccine, the drugmaker said Tuesday. The move is the latest sign that the FDA, under Health …
FDA refuses to review Moderna’s application for mRNA flu ... - CNN
2 days ago · The US Food and Drug Administration has refused to accept an application from Moderna to review its first mRNA seasonal flu vaccine, the company said Tuesday, in another setback for the …
What is mRNA and How Does it Actually Work? - Biology Insights
Aug 2, 2025 · Messenger RNA (mRNA) is a fundamental molecule in biological systems. It functions as a single-stranded nucleic acid, similar to DNA but containing uracil instead of thymine. mRNA acts as …
Messenger RNA (mRNA) - National Human Genome Research Institute
4 days ago · Messenger RNA (abbreviated mRNA) is a type of single-stranded RNA involved in protein synthesis. mRNA is made from a DNA template during the process of transcription.
What are mRNA vaccines, and how do they work? - Live Science
Apr 11, 2025 · mRNA vaccines teach the immune system to target specific proteins, often proteins found on a pathogen, like a virus. To do this, they use instructions carried in a genetic molecule called...
What are mRNA vaccines and how do they work? - MedlinePlus
Most vaccines contain a weakened or dead bacteria or virus. However, scientists have developed a new type of vaccine that uses a molecule called messenger RNA (mRNA) rather than part of an actual …
Moderna says FDA will not consider its mRNA flu vaccine | AP News
1 day ago · The U.S. Food and Drug Administration is refusing to consider Moderna’s application for a new flu vaccine made with mRNA technology.
mRNA Vaccines - American Cancer Society
Aug 29, 2025 · Using mRNA is a promising new way to make vaccines to help treat cancer. Vaccines are substances that help your immune system learn to fight off something that doesn’t belong there.