The Mayo Clinic Radio program shares the latest information on the COVID-19 (coronavirus) pandemic. Dr. Stacey Rizza, a Mayo Clinic infectious diseases specialist, gives a view from the front lines of the fight against the disease. And Dr. Jessica Lancaster, a Mayo Clinic immunology researcher, explains how aging affects the immune system.

Then in an encore presentation of Mayo Clinic Radio, Dr. Dale Ekbom, a Mayo Clinic otolaryngologist and head and neck surgeon, explains treatment options for vocal cord paralysis. And Dr. Abdallah El Sabbagh, a Mayo Clinic cardiologist, discusses mitral valve regurgitation, a heart condition.