Q. With reference to mRNA vaccine, consider the following statements::
1.To produce an mRNA vaccine, scientists produce a synthetic version of the mRNA that a virus uses to build its infectious proteins.
2.mRNA in such vaccines can also trigger the innate immune system.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:
  • Statement 1 is correct: To produce an mRNA vaccine, scientists produce a synthetic version of the mRNA that a virus uses to build its infectious proteins.
  • Statement 2 is correct: There are two parts to our immune system: innate (the defences we’re born with) and acquired (which we develop as we come into contact with pathogens). Interestingly, mRNA in vaccines could also trigger the innate immune system, providing an extra layer of defence without the need to add adjuvants.

Source: Article

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