In the late 19th and early 20th centuries, Belfast faced a health crisis that left its population reeling. Enteric fever, commonly known as typhoid fever, ravaged the city, claiming hundreds of lives each year. But why was Belfast disproportionately affected by this deadly disease?
Enteric fever, caused by Salmonella serotype Typhi bacteria, manifests with symptoms ranging from mild to severe, including high fever, weakness, abdominal pain, and skin rash. In Belfast, the prevalence of this fever was alarming, with a mortality rate double that of other towns in the 1890s.
Dr. Darra Mair’s seminal work in 1908 shed light on the root causes of Belfast’s enteric fever epidemic. Two prevailing arguments emerged: the Water Commissioners attributed the high incidence to the city’s insanitary conditions, while the Belfast Corporation pointed to water supply contamination.
A critical examination of Belfast’s infrastructure revealed glaring issues contributing to the spread of enteric fever. Privy middens, prevalent in rapidly expanding industrial cities, were cesspools of waste that were difficult to clean and maintain. In 1897, 40% of houses in Belfast relied on privy middens, contributing to the unsanitary conditions.
Compounding the problem was the disposal of sewage into the Lagan and Belfast Lough, contaminating shellfish harvested for consumption. Shellfish, a staple for the working classes due to its affordability, became a vector for enteric fever transmission. Daily distribution by hawkers exposed hundreds to contaminated shellfish, exacerbating the spread of the disease.
However, with the establishment of a clear link between sewage contamination and enteric fever, public health measures were implemented. The decline in enteric fever cases correlated with improved sanitation practices and the cessation of sewage dumping into water bodies.
Today, Belfast’s enteric fever epidemic serves as a stark reminder of the importance of sanitation and public health infrastructure. If you fancy learning more, book a Dr/Disease tour of Belfast!