Unvaccinated People Are ‘Variant Factories’ Disease Expert Says

• Unvaccinated people can be a driving force for new variants, an infectious disease expert told CNN. 
• “Unvaccinated people are potential variant factories,” infectious disease expert Dr. William Schaffner said. 
• Mutations that replicate can become variants and unvaccinated hosts more easily allow for that. 

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People who have not been vaccinated against COVID-19 not only risk their own health but are…

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