The TWiVziks present everything you want to know about Zika virus, including association of infection with microcephaly and Guillain-Barré syndrome, transmission, epidemiology, and much more.

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.