The TWiV-osphere introduces influenza D virus, virus-like particles encoded in the wasp genome which protect its eggs from caterpillar immunity, and a cytomegalovirus protein which counters host restriction factors that prevent establishment of latency.

The TWiVologists discuss the finding of a second transmissible cancer in Tasmanian devils, and development of new poliovirus strains for the production of inactivated vaccine in the post-eradication era.

Vincent, Rich, and Ed discuss the transition from academic scientist to government work, the general program of drug and vaccine development in the biodefense world and at BARDA, and career opportunities for scientists in government.