CBS Evening News | Millions of vials needed for COVID-19 vaccine

As scientists around the world race to develop a COVID-19 vaccine, there's also a scramble to make the millions of vials that would be necessary to deliver it. CBS's Weija Jiang takes us inside an Alabama factory that is going all out to meet a vital need, as part of the series Racing to a Cure. Air Date: Jul 17, 2020