Which of the following is an example of a vector in disease transmission?

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Multiple Choice

Which of the following is an example of a vector in disease transmission?

Explanation:
Vectors are living organisms that carry pathogens from one host to another, often by feeding on blood. Tick bites can transfer bacteria, viruses, or parasites to a new host after the tick has acquired them from an infected source, so ticks actively participate in the transmission process. Doorknobs and water bottles, by contrast, are inanimate surfaces called fomites; they can become contaminated and facilitate spread, but they do not engage in the biological transmission step themselves. Ads doesn’t fit a transmission mechanism. Hence, ticks are the example of a vector in disease transmission.

Vectors are living organisms that carry pathogens from one host to another, often by feeding on blood. Tick bites can transfer bacteria, viruses, or parasites to a new host after the tick has acquired them from an infected source, so ticks actively participate in the transmission process. Doorknobs and water bottles, by contrast, are inanimate surfaces called fomites; they can become contaminated and facilitate spread, but they do not engage in the biological transmission step themselves. Ads doesn’t fit a transmission mechanism. Hence, ticks are the example of a vector in disease transmission.

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