Answer:

Eliminate all contaminated foods and liquids that a fly has come in contact with.

Avoid contaminated utensils, crockery or cutlery.

Avoid direct contact by a fly on sores, eyes or wounds

.

Reduce the presence of flies around your home or business.

Install fly-screens.

ANSWER♡

One prevent diseases spread by house fliesby these methords:

1. Eliminate all contaminated foods and liquids that a fly has come in contact with.
2. Avoid contaminated utensils, crockery or cutlery.
3. Avoid direct contact by a fly on sores, eyes or wounds.
4. Reduce the presence of flies around your home or business.
5. Install fly-screens.

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