&lt;p&gt;In this episode, Dr. Osterholm and Chris Dall discuss the latest national and international COVID trends, an intranasal COVID vaccine candidate, and some recent findings on long COVID. Dr. Osterholm also answers an ID Query about the timing of COVID booster doses and shares two historic public health moments in our new "This Week in Public Health History" segment.&lt;/p&gt;

Episode 143: Immunological Chess Match

A weekly report on the COVID-19 pandemic from infectious disease expert Michael Osterholm, PhD, MPH. Dr. Osterholm is the director of the Center for Infectious Disease Research and Policy (CIDRAP) at the University of Minnesota and has spent a career investigating outbreaks. Since 2005, he has emphasized supply chain and other vulnerabilities and a critical need for pandemic preparedness. In this podcast, Dr. Osterholm dissects the latest COVID-19 news, data, and guidance.
CIDRAP’s Chris Dall, MA, is the cohost of the Osterholm Update and a reporter for CIDRAP News. http://www.cidrap.umn.edu