Vincent, Alan, Rich, and special guest Dr. Kirsten Sanford talk about her career in science media, then consider whether smallpox eradication led to the AIDS pandemic, high fidelity RNA synthesis, and a new Ebola virus vaccine.

Vincent, Dick, Alan, and Eric F. Donaldson discuss a new test for influenza H5N1, poliovirus in Minnesota, Koala retrovirus, batteries made from viruses, and SARS.