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.

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.