Friday, September 14, 2018

Is Lice a ...

From: Martha S.
Sent: September 14, 2018
To: undisclosed recipients
Subject: Fw: Is Lice a ...

The head louse, or Pediculus humanus capitis, is a parasitic insect that can be found on the head, eyebrows, and eyelashes of people. Head lice feed on human blood several times a day and live close to the human scalp. Head lice are not known to spread disease. CDC - Lice - Head Lice - General Information - Frequently Asked ...

Is lice considered a communicable disease?
Pediculosis capitis is the medical term for an infestation of head lice. It is itself an infectious disease. Head lice are highly communicable parasites specific to humans. They require blood meals to survive and have been associated with various infections including rickettsial diseases.
The Human Louse and Disease -

Where do lice come from originally?
According to the Journal of Parasitology, Clade B head lice originated in North America, but migrated to farther reaches of the world, including Australia and Europe. Head Lice: Where Do They Come From? - Healthline

What diseases are transmitted by lice?
Of the three types of louse that affect humans, only body lice act as vectors for human pathogens. Body lice are known to transmit epidemic typhus, relapsing fever, and trench fever, diseases caused by Rickettsia prowazekii, Borrelia recurrentis, and Bartonella quintana, respectively [6, 7]. Human louse-transmitted infectious diseases - ScienceDirect

Is lice curable?
Benzyl alcohol lotion, 5% has been approved by the FDA for the treatment of head lice and is considered safe and effective when used as directed. It kills lice but it is not ovicidal. A second treatment is needed 7 days after the first treatment to kill any newly hatched lice before they can produce new eggs. CDC - Lice - Head Lice - Treatment

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