Former FDA official explains why Biden's vaccine plan is 'risky'
Former FDA official explains why Biden's vaccine plan is 'risky'

President-elect Joe Biden will aim to release nearly every available dose of the coronavirus vaccine when he takes office, a break with the Trump administration’s strategy of holding back half of US vaccine production to ensure second doses are available.

CNN’s Michael Smerconish discusses if this plan could risk decreasing the vaccine’s efficacy.