The TWiV team discuss the latest data on Zika virus, including ocular defects in infants with microcephaly, and isolation of the entire viral genome from fetal brain tissue.
The TWiVerers answer listener email about genetically modified chickens, a hendra vaccine for horses, online education, curing color blindness, Roosevelt and polio, Th cells, and much more.
Vincent and Jason review influenza 2009 H1N1 vaccine trials and protection against the virus conferred by the 1976 swine flu vaccine, then move on to a virus called XMRV and its possible role in prostate cancer.
Vincent and Dick explain virus classification, and revisit the 1976 swine flu immunization campaign and Guillain-Barré syndrome.