1. Dr. FRED BUCKHOLD, SLU Care General Internist at SSM Health Saint Louis University Hospital, and a professor of medicine at St. Louis University School of Medicine.  COVID cases are surging nationwide -- when should we test, when should we isolate, does it matter if it is a cold or covid, who needs a booster?  Also prospect for high covid numbers during the Summer Olympic Games in Paris now getting underway?  What does he think about a new twice yearly shot that has proven very successful at preventing HIV infection in women?
2. Dr. HADAS NAHMAN-AVERBUCH, assistant professor of anesthesiology at Washington University School of Medicine.   Two new Wash U studies are getting underway to determine who will develop migraine headaches.  Adolescent migraine sufferers are the main focus in these two studies.  Why adolescents?  How common are migraines?  What are the common treatments?  What does this study hope to find?

3. Dr. BRADLEY ORNSTEIN, associate professor of pediatrics at Washington University School of Medicine.  July is Juvenile Arthritis Awareness Month.  What is Juvenile Arthritis?  How common is it?  What are the symptoms?  How painful is it?  What are the treatments?  Can it be cured?  What new research is going on that gives you hope?
4. BEN HARDER, Managing Editor and Chief of Health Analysis for U.S. News and World Report.  US News and World Report is out with its annual list of the Best Hospitals in the United States.  Which hospitals performed best in the state of Missouri?   US News is also out with its first ranking on the Best Ambulatory Surgery Centers in America.