Senate Democrats press Sanofi and AZ for answers as 'unprecedented' demand spurs shortage of RSV antibody Beyfortus

The shortage of Sanofi and AstraZeneca’s new respiratory syncytial virus (RSV) antibody Beyfortus continues to confound doctors and patients, with the Centers for Disease Control and Prevention (CDC) last week fast-tracking tens of thousands of extra doses into circulation to deal with a tough RSV season.