Cleaning toilets with disinfectant blocks this link in the chain of infection.
portal of exit |
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portal of entry |
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reservoir |
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susceptible host |
Answer 3. RESERVOIR
Explanation -
Cleaning of toilets with disinfectants block the chain of infection by acting on reservoir. Reservoir of the infectious agent is the place where it lives or multiplies. So use of disinfectant at that place can break the chain of infection .
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