Zika virus has been reported in dozens of countries around the world from 2015 onwards. WHO’s experience over 2016 has shown that Zika virus and the associated neurological complications represent a long-term public health challenge. In a series of 5 podcasts on Zika, we bring you stories of Evidence in action. Episode 1: Zika epidemiology; Episode 2: Long-term management of congenital Zika virus syndrome; Episdoe 3: Ethics of Zika virus; Episode 4: Zika virus research; Episode 5: The future of outbreaks