With multiple epidemics, a growing displaced population and climate change, is it time to take preparedness more seriously? Join the live Q&A on 14 August, 1-3pm BST
Guardian Professional,21 Jul 2014:
Evidence is mounting that vaccines can stop cholera outbreaks, but NGOs fear this solution distracts from improving sanitation, writes Jocalyn Clark
Suzi Gage: Today is the bicentenary of the birth of John Snow, the physician who worked out how cholera is transmitted. He is often called the father of epidemiology, but would he recognise the field today?
John Snow's map of cholera outbreaks from nineteenth century London changed how we saw a disease - and gave data journalists a model of how to work today