Moderna Crowd News Today

Its the only single-shot vaccine authorized for distribution in the united states and questions about the need and available for second shots have been growing after the cdc has been recommending them for pfizer and moderna. joining me now to discuss more is msnbc medical contributor, dr. vin gupta. dr. gupta, weve been talking about this for a while, the johnson & johnson situation. its in comparative to pfizer and moderna recipients, its a small group of folks, but it feels like everything had...