how are carriers harmful to use
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Carriers take with them many harmful microorganisms or pathogens. They play a great role in transferring these pathogens to a healthy person, by sitting on the food items, or directly transferring the pathogens inside the body of a person. Hence they are harmful to us.
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Some microorganisms need a carrier to transmit diseases. Here, Anopheles mosquitoes are the carriers used by the protozoan Plasmodium vivax to transmit the disease to the host. Once inside the host, the Plasmodium starts destroying red blood cells. This leads to other complications such as anaemia and hypoxemia.
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