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- Prevention[remove]32
- Accidents10
- Communicable diseases8
- Public health7
- Safety education7
- Cancer6
- Children6
- Sexually transmitted diseases6
- Pedestrian accidents4
- Women4
- World War, 1939-19454
- Antismoking movement3
- Automobiles3
- Families3
- Flies as carriers of disease3
- Mosquitos as carriers of disease3
- Nutrition3
- Sick persons3
- Smoking3
- Syphilis3
