31 août 1854 - The cause of the Cholera Epidemic in London is found by John Snow
Description:
John Snow was a physician that understood that cholera was a water transmitted disease and not air transmitted, which was what was believed at the time. This was a breakthrough in the epidemiology field and led to great improvements in public health services as well as a raise in awareness on the dangers of water pollutionAjouté au bande de temps:
Date:
31 août 1854
Maintenaint
~ Il y a 171 ans