27 ottob 1958 anni - CHOLERA outbreak in HAMBURG

Descrizione:

Germ Theory finally accepted.
HAMBURG AND SUBURB OF ALTONA BOTH
WERE ON THE ELBE RIVER
•
MIASMA THEORY: EVERYONE SHOULD COME
DOWN WITH CHOLERA
•
ALTONA DIDN’T HAVE ANY CASES OF
CHOLERA; THEY FILTERED THEIR WATER

Aggiunto al nastro di tempo:

Data: