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The nanoparticles in mRNA vaccines are nothing to fear: We interact with many useful, tiny particles every day

By Keroles Riad, Postdoctoral fellow, Chemical and Materials Engineering, Concordia University
Sylvie Ouellette, PhD Candidate, Chemistry/Biochemistry, Concordia University

Some vaccine hesitancy is based on a fear of the nanoparticles used in mRNA vaccines. But humans have been interacting with nanoparticles for millennia, and we use nanotechnology-based devices every day.

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