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Cholera
29
Disease Outbreaks
26
India
13
Cholera -- prevention & control
7
Cholera -- epidemiology
6
England
6
London
4
Pakistan
3
Quarantine
3
Sanitation
3
United States
3
Bengal (Presidency)
2
Rhode Island
2
Water Supply
2
Boston
1
Cholera -- therapy
1
Classical Swine Fever -- etiology
1
Egypt
1
Europe
1
Gibraltar
1