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- Children 2
- Contaminated food 1
- Diarrhea 1
- Dysentery 3
- Flies as carriers of disease 15
- Flies—Control 1
- Food contamination 1
- Gastrointestinal disorders 2
- Hand washing 1
- Health and hygiene—India 1
- Health and hygiene—Iraq 1
- Health and hygiene—Taiwan 2
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- Health education 3
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- Mosquitoes as carriers of disease 3
- Pests—Control 2
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