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Question
_____ serves as a mode of entry for the disease plague that occurs through ______.
_____ serves as a mode of entry for the disease plague that occurs through ______.
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Solution
The correct option is D Skin; animal bites
Plague is caused by a bacterium Yersina pestis. Skin serves as a mode of entry these bacteria through animal bites(rodents). The black death was a pandemic of plague which started in Europe but spread across the world taking away many lives. Here, the species name ‘pestis’ hints at the rodents which are considered common household pests. Fleas act as vectors for Yersinia pestis bacteria. Rats and small mammals are often infested with fleas. Plague is transmitted between animals and humans by the bite of infected fleas, direct contact with infected tissues, and inhalation of infected respiratory droplets.
Plague is caused by a bacterium Yersina pestis. Skin serves as a mode of entry these bacteria through animal bites(rodents). The black death was a pandemic of plague which started in Europe but spread across the world taking away many lives. Here, the species name ‘pestis’ hints at the rodents which are considered common household pests. Fleas act as vectors for Yersinia pestis bacteria. Rats and small mammals are often infested with fleas. Plague is transmitted between animals and humans by the bite of infected fleas, direct contact with infected tissues, and inhalation of infected respiratory droplets.
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