The limited data we have shows that immunity among vaccinated people is waning. But how much and when is another story. POLITICO's Sarah Owermohle reports.

Sarah Owermohle is a health reporter for POLITICO.
Jeremy Siegel is a host for POLITICO Dispatch.
Irene Noguchi is the executive producer of POLITICO audio.
Jenny Ament is the senior producer of POLITICO audio.
Raghu Manavalan is a senior editor for POLITICO audio.

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