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Head lice are spread by direct contact with the hair of someone who is infected. [4] The cause of head lice infestations in children is not related to cleanliness. [5] Other animals, such as cats and dogs, do not play a role in transmission. [4] Head lice feed only on human blood and are only able to survive on human head hair.
Head lice, like other insects of the order Phthiraptera, are hemimetabolous. [1] [10] Newly hatched nymphs will moult three times before reaching the sexually mature adult stage. [1] Thus, mobile head lice populations may contain eggs, nits, three nymphal instars, and the adults (male and female) . [1]
Head-lice infestation is most frequent on children aged 3–10 and their families. The CDC estimates that 6 to 12 million children aged 3 to 11 get lice every year. [6] Females aged 3–12 years are most commonly infested. [7] Those of African descent rarely experience infestation due to differences in hair texture. [7]
When your child is the temporary home for these blood-sucking freeloaders, the social issue can sometimes be more overwhelming than the physical issue.
According to CDC data, an estimated 6 million to 12 million head lice infestations happen each year in the U.S. in children 3 to 11 years old. It's most common in preschool children who go to ...
Rats, Lice and History received an overwhelmingly positive critical reception on its release. In his review for The New York Times Book Review, R. L. Duffus wrote that "Dr. Zinsser, without being condescending and with no taint of 'popularization,' has written one of the wisest and wittiest books that have come off the presses in many a long month."
Epidemic typhus is caused by body lice and thrives in areas with overcrowding. To avoid lice you should stay away from highly populated areas. Also, make sure to regularly clean yourself and your clothing to help kill lice. This also goes for things like bedding and towels. Make sure to not share any fabric items with anyone who has lice or typhus.
The lice of the First World War trenches nicknamed "cooties" were also known as "arithmetic bugs" because "they added to our troubles, subtracted from our pleasures, divided our attention, and multiplied like hell." [11] In Italy, children have the term la peste ("the plague"). [1]