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What causes scabies?

  1. Fungi infection

  2. Head lice

  3. Itch mite

  4. Virus

The correct answer is: Fungi infection

Scabies is caused by the infestation of itch mites. Itch mites, also known as Sarcoptes scabiei, burrow into the skin where they lay eggs, leading to intense itching and a pimple-like rash. Fungi infection, head lice, and viruses do not cause scabies, making them incorrect choices.