Archive category

Epidemics & public health

Outbreaks, public-health responses, and changes in medical understanding.

2 mapped events

Chaos Files

View on the Atlas →

Epidemics & public health Well supported

August–September 1854

The Broad Street Cholera Investigation

The former Broad Street pump, now Broadwick Street, Soho, United Kingdom

During a severe cholera outbreak in Soho, physician John Snow mapped deaths and interviewed residents about where they obtained water. The concentration of cases among people who …

Open Chaos File

Engineering failures Well supported

26 April 1986

The Chornobyl Nuclear Power Plant Accident

Chornobyl Nuclear Power Plant, Unit 4, Ukraine

During a low-power safety test, Unit 4 of the Chornobyl nuclear power plant became unstable and was destroyed by explosions and fire. Radioactive material spread across large …

Open Chaos File