Millions of US parents are struggling to feed their infants due to a nationwide shortage of baby formula.This episode was produced by Victoria Chamberlin, Avishay Artsy, and Victoria Dominguez, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Paul Mounsey, and hosted by Sean Rameswaram.Transcript at vox.com/todayexplained  Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices