The city of Philadelphia put an opportunistic 22-year-old in charge of its vaccine rollout. Nina Feldman of WHYY’s Half Vaxxed podcast explains how it went just as badly as you’d expect.

Today’s show was produced by Miles Bryan, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard and hosted by Sean Rameswaram.

Transcript at vox.com/todayexplained

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