One aspect of virology that is confusing to students is the concepts of capsids and nucleocapsids. These two terms describe two different ways that viral nucleic acids and proteins are arranged in virus particles. The capsid (from the Latin capsa for box) is the protein shell surrounding the nucleic acid ...

Michael Worobey joins TWiV to explain evidence that SARS-CoV-2 emerged via the wildlife trade and that the Huanan market was the unambiguous epicenter of the COVID-19 pandemic. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Guest: Michael Worobey Click arrow to playDownload TWiV 876 (128 MB .mp3, 107 min)Subscribe (free): Apple ...

TWiV discusses the virome of game animals in China, and the finding that binding of sarbecoviruses to ACE2 is an ancestral and evolvable trait. Hosts: Vincent Racaniello, Dickson Despommier, and Amy Rosenfeld Click arrow to playDownload TWiV 875 (128 MB .mp3, 107 min)Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Show notes at microbe.tv/twiv

In COVID-19 clinical update #105, Daniel Griffin discusses changes in brain structure after infection, dementia in patients with pneumonia, Paxlovid in children, mask effectiveness in schools, host factors and severe disease, post-acute symptoms, and the mission of CEPI. Click arrow to playDownload TWiV 874 (49 MB .mp3, 41 min)Subscribe (free): Apple Podcasts, Google ...

TWiV reviews the six known coronaviruses that infect pigs and what can be learned about human infections, and how the giant Mimivirus DNA genome is organized into a nucleocapsid. Hosts: Vincent Racaniello, Alan Dove, Rich Condit, and Brianne Barker Click arrow to playDownload TWiV 873 (128 MB .mp3, 107 min)Subscribe (free): Apple Podcasts, Google ...