Stat: 93%—93% of new COVID-19 cases were caused by the delta variant in the United States by the end of July 2021.

Story: The battle against the COVID-19 virus seemed almost won, but the delta variant is now responsible for a new surge of cases. In this episode, we turn again to infectious disease physician Dr. Rebecca Wurtz to learn more about this new variant and what it means for both vaccinated and unvaccinated populations.

Related resources:

What You Need to Know about Variants

Deadlier Variant Is Now Dominant Strain of COVID, CDC Confirms

Misinformation and the Coronavirus Vaccines

Conversations on Science

The Infodemic

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