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Communicable Disease Control
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20
Lice Infestations
4
Public Health
3
California
2
Florida
2
Health Planning
2
Insecticides
2
United States
2
World War II
2
Africa, Northern
1
Air Pollution
1
Brazil
1
Cause of Death
1
Communicable Diseases -- mortality
1
DDT
1
Disinfection
1
Financial Support
1
Hawaii
1
Indiana
1
Japan
1