The NPA has been helping people around the world since long before there was an Internet. This section features some of the timeless articles and editorials that appeared in peer review journals, newspapers and from the NPA's own publications. Please note that many of these resources will open as pdfs and other document types and some may open not yet formatted for our relaunched website. Newer Classics will be published in the "In the Press" article area.
Almost all mammalian and avian species are host to various species of lice. But humans are among the few species that are host to three (or subspecies). The human head louse (Pediculus humanus capitis), the body louse (P. humanus corporis, also considered P. humanus humanus) and the pubic louse (Pthirus pubis) are obligate ectoparasites to the human body and can’t survive on other species, including pets.