The COVID-19 vaccines are RNA-based (the RNA codes for a viral antigen).  Nucleic acid-based vaccines have been discussed for awhile, but I was surprised that the companies decided on an RNA-based vaccine instead of a DNA-based one (given the instability of RNA compared to DNA).  Use your knowledge of molecular biology to discuss the advantages of an RNA-based vaccine over a DNA-based vaccine.

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Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.