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Hair parasites

Head louse

1 to 2.5 mm - Length of a louse Pediculus capitis.

3-10 mm - The distance between the scalp and the level where there is the presence of lice eggs along the hair.

From 22 to 28 cm / min, 13 to 17 m / h - the speed of movement an adult louse.

3.5 to 4.5 hours - The lifetime of a louse in an environment where the air is dry.


40% to 50% - The percentage of cases of pediculosis without pruritus.

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