Drugmaker Pfizer announced Monday an experimental coronavirus vaccine shown to be more than 90% effective in early tests.

The news came as the U.S passed a grim milestone, recording more than 10 million cases of COVID-19 since the beginning of the pandemic.

Today on All Sides with Ann Fisher, we look at what's driving the record surge of COVID-19, the latest in vaccine research and more.

Guest:
Dr. Iahn Gonsenhauser, chief quality and patient safety Officer, Ohio State University Wexner Medical Center