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Insights About Head Lice Transmission From Field Data and Mathematical Modeling

You are here: Home / In the Press (all articles) / Human Louse and Disease / Insights About Head Lice Transmission From Field Data and Mathematical Modeling

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February 3, 2018 //  by NPA

“Head lice infest millions of school-age children every year, both in developed and developing countries. However, little is known about the number of lice transferred among children during school activities, because direct methods to study this are almost impossible to implement. This issue has been addressed following an indirect method, which consist in collecting data of real infestation from several children groups and using a mathematical model of lice colonies to infer how the infestation observed might have evolved. By determining the events that would most likely lead to infestations as those observed, we find that severe infestations are most likely initiated by a relatively large number of lice transferred at the same moment or within relatively short time spans.

In turn, analysis of the data obtained from screenings of the same groups of children a few days apart shows evidence of such transmission events. Interestingly, only children with severe infestations could harbor the lice necessary for this type of transmission. Thus, they play the same role as ‘superspreaders’ in epidemiology. As part of our experimental study it is also shown that a simple procedure of combing can be very effective to remove all mobile lice, and thus could be used as an effective preventive measure against those severe infestations that are responsible for the spread of pediculosis.”

J Med Entomol. 2018 Feb 22.

See full article: “Insights About Head Lice Transmission From Field Data and Mathematical Modeling.”

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Filed Under: Human Louse and Disease, In the Press (all articles) Tagged With: head lice transmission, mathematical modeling

Previous Post: « Response of Pediculus humanus capitis (Phthiraptera: Pediculidae) to Volatiles of Whole and Individual Components of the Human Scalp
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National Pediculosis Association Mission Statement

The NPA is a 501(c)(3) non-profit organization dedicated since 1983 to protecting children, their families and their environment from the misuse and abuse of prescription and over-the-counter pesticide treatments for lice and scabies.

Pediculosis (the medical term for an infestation of lice) provides a public health opportunity to teach important lessons about communicable disease preparedness, responsible personal behaviors, environmental health, and the importance of learning about pharmaceutical remedies before using them on our children and ourselves.

NPA is committed to setting the highest possible public health standards for children as they relate to the communicability and treatment of head lice. NPA has been the leader in raising pediculosis as a public health priority and a pioneer in public health education and research on pediculosis.

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