Question

how many ways are there of prevention of infectious disease for class 9 ch 13 ??​

Answer 1

Avoiding contact with sick people or sharing personal items with them. Not drinking or swimming in contaminated water supplies. Not eating or drinking food and beverages prepared by people who are sick.

Answer 2

Avoiding contact with sick people or sharing personal items with them. Not drinking or swimming in contaminated water supplies. Not eating or drinking food and beverages prepared by people who are sick.

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