For 14 weeks in the late summer of 1853, London suffered one of its worst cholera outbreaks. The leading voices in medicine believed the disease emanated from the foul gasses of London’s polluted ...

John Snow is often called the founder of epidemiology, the study of health in populations. He is best known for his work on tracking the spread of cholera during an epidemic in London in 1854.

In 1854, cholera struck again. In London, Dr John Snow studied the spread of cholera in the Broad Street area. He noticed that the victims had all drunk water from the pump in the street.

It was made in 1854 by a London physician named John Snow. He suspected that the cholera outbreak in London’s Soho neighborhood, which killed 616 people, was spread through water, not air. At that ...

One of miasma’s fiercest critics was medical pioneer John Snow, who, in 1849, published a book claiming that dirty water was the cause of cholera ... died in the same outbreak.