The U.S. reached the wrong kind of milestones this past week, reporting the 10 millionth coronavirus case and daily infection rates repeatedly topping the 100,000 mark. Cases of COVID-19 have been spiking for weeks as a third wave of infections spreads across the country.

On the Mayo Clinic Q&A podcast, Dr. Gregory Poland, an infectious diseases expert and head of Mayo Clinic's Vaccine Research Group, discusses the growing number of coronavirus cases in the U.S. and across Europe, and what can be done to reverse the trends.
Research disclosures for Dr. Gregory Poland.