Which is the causative agent for seven-year itch?

Options :
  1. Sarcoptes scabiei
  2. Dermatophagoides pteronyssinus
  3. Pediculosis capitis
  4. Dermatophagoides farinae
Answer and Explanation :-

Answer: Option 1

Explanation:

Scabies also known as Norwegian scabies or colloquially the seven-year itch, is a contagious skin infection caused by the mite Sarcoptes scabiei. The mite is a tiny and usually not directly visible parasite, which burrows under the host's skin, causing intense allergic itching.

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