Registered dietician Samantha Heller and her guest, Dr. Christopher Simons, discuss the role sense of smell has in what we eat and how much we eat, as listeners ask questions and share their experiences with anosmia and phantom smells after a COVID-19 infection.

Director of Vaccine and Immunotherapy Center (VIC) at Massachusetts General Hospital, Dr. Mark Poznansky, joins Dr. Marc Siegel and discusses the development of vaccines and boosters to prevent spread of the virus, and how the vaccines work to build immunity.

University of Washington IHME Assistant Professor, Dr. Vinay Gupta, joins Dr. Marc Siegel and discusses where America stands as far as COVID-19 testing and global vaccine distributions, as well as where we are headed in terms of the Delta variant and vaccine usage.

Director of the Centers for Disease Control and Prevention, Dr. Rochelle Walensky joins Dr. Marc Siegel and offers insight into the CDC’s decisions on COVID boosters, the importance of masking and vaccines, and the role mandates have in helping stay ahead of the spread of the virus and its variants.

Pediatrician Dr. Dan Rauch talks to the principle investigator and Chair of the National Institute of Child Health and Human Development’s Pediatric Trials Network, Dr. Danny Benjamin, about the steps to prevent COVID Transmission in schools and the solid science behind wearing masks, as well as the role masking has in keeping schools safe.

Chair of Molecular Microbiology and Immunology at Johns Hopkins School of Public Health, Dr. Arturo Casadevall, joins Dr. Marc Siegel and discusses the studies on Convalescent Plasma and when it is most effective in treating COVID-19 patients. He also shares his thoughts on natural versus vaccinated protection against the virus.

National Institutes of Health Director, Dr. Francis S. Collins joins Dr. Marc Siegel and offers insight into the studies examining genetics and COVID-19 infections, testing, emerging therapeutics, as well as preventing and managing the symptoms of Long-COVID.

Dr. Marc Siegel and his guest, Dr. Madhukar Pai, MD, PhD, examine the state of the Pandemic around the world, global vaccine availability, and distribution.

Member of the FDA's Vaccines and Related Biological Products Advisory Committee (VRBPAC), Dr. Paul Offit, talks with Dr. Marc Siegel about the data being reviewed in determining the safety and efficacy of COVID vaccines for children, and the need for boosters. And he explains the role of the FDA in the approval process.

Dr. Jonathan Whiteson and his guests outline the programs available to patients to help them overcome post-COVID symptoms and disabilities.