The mrna in the vaccine teaches your cells how to make copies of the spike protein. Researchers have been studying and working with mrna vaccines for decades. Yeast Two Hybrid System For Protein Protein Interaction Studies Interactive Study Yeast Unlike a normal vaccine, rna vaccines work by introducing an mrna sequence (the molecule which tells cells what to build) which is coded for a disease specific antigen, once produced within the body, the antigen is recognised by the immune system, preparing it. How does mrna vaccine work wiki . It’s a new era for vaccine technology and production, and a testament to scientific progress and decades of research. Already, vaccine manufacturers are developing mrna vaccines to protect against other respiratory viruses such as the flu. Mrna vaccines work by introducing a piece of mrna that corresponds to a viral protein, usually a small piece of a protein found on the virus’s outer membrane. After the mrna delivers the How does the vacc...