Vincent, Dick, and Alan talk about insect and human dengue virus host proteins, equine vaccine for WNV and EEEV, return of swine flu to humans, spread of polio in Africa, and listener email.

Vincent, Alan, and Rich Condit converse about induction of polyomavirus replication in multiple sclerosis patients treated with the MS drug Tysabri, the extent of human polyomavirus infection, selection of influenza vaccines for the 2009-10 season, cowpox virus transmission from animals to humans, vaccinia-like virus infecting humans and cattle in Brasil, and poxviruses.

Vincent, Alan, and Hamish Young discuss bacteriophages in viral vaccines, enteroviruses and diabetes, inhibition of Hendra and Nipah virus replication by the malaria drug chloroquine, and viroids.

Vincent and Chris Upton converse about hepatitis B in India, AIDS gene therapy with a ribozyme, antibodies that neutralize many influenza virus strains, killing tumors with vaccinia virus, myxoma virus of rabbits, and the Viral Bioinformatics Resource Center.