Vincent and Rich discuss avian influenza virus and an antiviral drug against smallpox with Dennis and Yoshi at the ASM Biodefense and Emerging Diseases Research Meeting in Washington, DC.

Vincent, Alan, and Rich celebrate the 200th episode of TWiV by visiting the National Emerging Infectious Diseases Laboratories at Boston University Medical Center, where they meet with Elke, Paul, and Ron to talk about building and working in a BSL4 facility.