Crab lice, or Pthirus pubis

Crab lice or Pthirus pubis

Feb 9th – Crab lice, or Pthirus pubis, are tiny “crabs” less than 2 mm long. They can easily go unnoticed, but eventually make their presence felt by intense itching, the result of hypersensitivity to their saliva as they feed on their unfortunate host’s blood. Crab lice get their appellation from their general appearance: they …

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