650658 external_news 1631298960 1631298960 Vaccines are key to stopping the spread of the coronavirus. M.G. Finn, professor and chair of the School of Chemistry and Biochemistry, explains how vaccines work, and how vaccinated people are less likely to have the virus reproduce inside them. Viruses mutate and create new strains when enough unvaccinated people allow it to live inside them and infect others. Vaccinating as many pepole as possible stops transmission, and can keep new variants like Delta from popping up. 

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