Abstract
Nanoparticles are tiny containers that scientists create to carry molecules. How tiny? Let us say that a nanoparticle is about 100,000 times smaller than a single M&M candy. Scientists use special nanoparticles to treat specific diseases. For example, the mRNA vaccines that protect people from COVID-19 contain nanoparticles that are packed with mRNA molecules from the virus. In this article, we will answer some interesting questions: What are nanoparticles made of and how do they work? What are the mRNA molecules that are packed inside the nanoparticles of the COVID-19 vaccine? How do scientists create mRNA vaccines, and how do they protect us from COVID-19?
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