What are head lice?

Head lice are tiny parasitic insects that generally live on the scalp, where they hide in the hair, feed on blood, and lay their eggs which often cause severe itching.

For the record, head lice:

  • Do not live on pets.
  • Are about the size of a sesame seed.
  • Feed on human blood 3-4 times daily.
  • Can’t live off the human host for more than 24 hours.
  • Female’s can lay up to 100 eggs and require just one mating to be fertilised.
  • Are able to reproduce in 10 days and live eggs hatch in 7-10 days.
  • Live on a host for approximately 30 days.
  • Are mainly transmitted by head-to-head contact but can also be spread through the sharing of personal articles.
  • Can’t hop, jump or fly. They swing and climb on the hair and scalp.

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