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- Flies as carriers of disease[remove]13
- Flies11
- Public health10
- Children4
- Communicable diseases4
- Health education4
- Dysentery3
- Eating & drinking3
- Hand washing3
- Health and hygiene3
- Hygiene3
- Medicine, Preventive3
- Mosquitos as carriers of disease3
- Prevention3
- Cholera2
- Food contamination2
- Fruit2
- Health literacy2
- Larvae2
- Mosquitos2
