COVID-19 cases and hospitalizations are rising in communities with low vaccination rates — mostly in southern Republican states. As the Delta variant of the coronavirus spreads through these communities, a new study in the journal Nature shows that immunity from the Pfizer and Moderna vaccines may last a lifetime.

Host Peter O’Dowd speaks with Angela Rasmussen, a virologist with Georgetown University’s Center for Global Health Science and Security, about the new spikes in cases.

This article was originally published on WBUR.org.

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