The TWiV team discusses Medusavirus, isolated from a hot spring in Japan, and induction of hallmarks of neurodegeneration by recurrent herpes simplex virus 1 infection of mice.

Stephanie joins the super professors to discuss the gut virome of children with serious malnutrition, caterpillar genes acquired from parasitic wasps, and the effect of adding chemokines to a simian immunodeficiency virus DNA vaccine.