How do mRNA vaccines work? Somewhat like a Snapchat message. That is if a snap gave your immune system instructions on how to protect you against future infections. And remember: mRNA vaccines do not change your DNA and although they are new, they’ve been studied for decades. 🔗 Learn more through our link in bio. #mRNA #mRNAVaccines #Vaccines #ThisIsPublicHealth #ThisIsOurShot #Covid_19