From the Karolinska Institute in Stockholm, Vincent speaks with Niklas Björkström, Ali Mirazimi, and Matti Sällberg about their work on the impact of chronic hepatitis C virus infection on NK cells, Crimean-Congo hemorrhagic fever virus vaccines, and immunotherapy to block entry of hepatitis B and D viruses.

Lynda Coughlan joins the weekly virtual bus companions for a discussion of a host defense peptide from frogs that destroys influenza virus, and mouse models for acute and chronic hepacivirus infection.