The TWiV team reviews the first FDA approved gene therapy, accidental exposure to poliovirus type 2 in a manufacturing plant, and production of a candidate poliovirus vaccine in plants. Click arrow to play Download TWiV 459 (63 MB .mp3, 105 min) Subscribe (free): iTunes, RSS, email Become a patron of TWiV! Show notes at microbe.tv/twiv

The US Food and Drug Administration recently approved the first gene therapy, Kymriah, to treat B-cell acute lymphoblastic leukemia. It uses a lentivirus to modify the patient's T cells to kill tumor cells. Acute lymphoblastic leukemia, or ALL, is caused by uncontrolled growth of B cells, which normally produce antibodies ...

The TWiVians present an imported case of yellow fever in New York City, and explain how a dengue virus subgenomic RNA disrupts immunity in mosquito salivary glands to increase virus replication. Click arrow to play Download TWiV 458 (72 MB .mp3, 119 min) Subscribe (free): iTunes, RSS, email Become a patron of TWiV! Show notes at microbe.tv/twiv.

Virologist Roger W. Hendrix died on 15 August 2017. I only met Roger once, at the 2011 ASM meeting in New Orleans where we recorded an episode of This Week in Virology. The video of that episode is below, starting at my conversation with Roger at 30:34. Harmit Malik and ...

Thirty-five years ago this month, in September 1982, I arrived at Columbia University College of Physicians & Surgeons to open my virology laboratory. I brought with me an infectious DNA copy of the poliovirus RNA genome, the first of its kind, and a lot of enthusiasm. Over the years we ...