Assertion: cholera | /r/HasProperty | public health problem
Facets:
value: in europe
type: LOCATION
value: in the united states
type: LOCATION
Source sentences:
text: Although cholera was a public health problem in the United States and Europe a hundred years ago, modern sanitation and the treatment of drinking water have virtually eliminated the disease in developed countries.
text: Although cholera was a public health problem in the United States and Europe a hundred years ago, modern sanitation and the treatment of drinking water have virtually eliminated the disease in developed countries.