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Disease Outbreaks
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74
Cholera
54
India
18
Cholera -- epidemiology
12
England
9
London
5
Meteorological Concepts
5
Cholera -- prevention & control
4
Ohio
4
New York City
3
Pakistan
3
United States
3
Bengal (Presidency)
2
Cholera -- etiology
2
Egypt
2
Jamaica
2
Malta
2
Military Medicine
2
Sanitation
2
Tennessee
2