Broad Street cholera epidemic

Definition

The Broad Street cholera epidemic of 1854 was a severe outbreak of cholera in London that led to significant advancements in the understanding of infectious disease transmission. It is famously associated with John Snow's pioneering work in epidemiology.

5 Must Know Facts For Your Next Test

1. John Snow identified a contaminated water pump on Broad Street as the source of the cholera outbreak.
2. Snow's investigation involved mapping cases and analyzing water sources, laying the groundwork for modern epidemiological methods.
3. The epidemic resulted in over 600 deaths within a few weeks, highlighting the need for improved public sanitation systems.
4. Snow's findings challenged the prevailing miasma theory, which attributed disease to 'bad air' rather than contaminated water.
5. The removal of the Broad Street pump handle was a key intervention that helped curtail the spread of cholera.

Related terms

Epidemiology:

The study and analysis of the distribution, patterns, and determinants of health and disease conditions in defined populations.

Miasma Theory:

An outdated medical theory that held diseases such as cholera were caused by 'bad air' or miasmas.

Public Health Intervention: Actions taken to improve or protect community health, such as sanitation improvements or vaccination programs.