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3. Indirect modes of transmission of infectious disease
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Indirect contact transmission occurs when there is no direct human-to-human contact. Contact occurs from a reservoir to contaminated surfaces or objects, or to vectors such as mosquitoes, flies, mites, fleas, ticks, rodents or dogs.
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Indirect Transmission Occurs By:
Vehicle-borne (contaminated food, water, towels, farm tools, etc.) Vector-borne (insects, animals) Airborne, long-distance (dust, droplets) Parenteral (injections with contaminated syringes)
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