In late 1937 in the borough of Croydon, South London, people began to fall ill with typhoid. Typhoid is a disease that is associated with contaminated water and outbreaks of the illness, at least in the United Kingdom, is something that we might associate today with the nineteenth century, before an age of improved sanitation and safe supplies of drinking water. And so, in this special blog, we will take a look at how the Croydon typhoid epidemic gradually unfolded, as …