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  • mRNA stands for messenger RNA, which is a type of genetic material that carries instructions from DNA to the ribosomes in cells for protein synthesis.

  • mRNA vaccines are a new type of vaccine technology that use mRNA to provide instructions to the body's cells to produce specific viral proteins.

  • The mRNA in the vaccine is a synthetic version of the mRNA found in the virus.

  • When the mRNA vaccine is administered, the mRNA enters the cells and instructs them to produce a specific viral protein


  • Such as the spike protein found on the surface of the coronavirus.

  • The immune system recognizes this viral protein as foreign and mounts an immune response against it.

  • This immune response includes the production of antibodies and the activation of immune cells to eliminate the viral protein.

  • The immune response also creates a memory of the viral protein, which allows the immune system to quickly recognize and respond to the actual virus if the person is later exposed to it.


  • mRNA vaccines do not contain the live virus itself and cannot cause the disease they are designed to protect against.

  • The advantage of mRNA vaccines is their ability to be developed and manufactured quickly, as the mRNA sequence can be easily synthesized in the lab.

  • mRNA vaccines have been found to be highly effective in protecting against COVID-19, including the different variants of the virus.


  • The development and successful deployment of mRNA vaccines against COVID-19 have paved the way for potential use in other infectious diseases and even cancer treatments.

  • However, mRNA vaccines require cold storage conditions to maintain their stability, which can pose logistical challenges in some regions.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: mRNA UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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