The continuing spread of SARS-CoV-2 remains a Public Health Emergency of International Concern. What physicians need to know about transmission, diagnosis, and treatment of Covid-19 is the subject of ongoing updates from infectious disease experts at the Journal.

In this audio interview conducted on September 9, 2020, the editors discuss guidelines for the deployment of potential SARS-CoV-2 vaccines from the CDC and the National Academies, as well as new information on two candidate vaccines.