As we’ve heard this week, the U.S. Centers for Disease Control and Prevention director, Rochelle Walensky, announced that once people have been fully vaccinated against COVID-19, they can—for the most part—stop wearing masks and social distancing.

WNYC’s health & science editor Nsikan Akpan spoke with Danny Lewis to explain what this means in the latest episode of Consider This from NPR and WNYC.