New COVID strains are emerging in the United States.
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People are getting vaccinated against COVID-19 at the same time new COVID strains are emerging in the United States. Some scientists say the variants are not their biggest concern but shouldn't be taken lightly either. University of Arizona immunobiologist Deepta Bhattacharya has been tracking the new strains and how they impact the effort to get COVID-19 under control.
Deepta Bhattacharya spoke with Tim Swindle, director of the University of Arizona Lunar and Planetary Laboratory.
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