Scabies is an intensely pruritic disorder induced by an immune allergic response to infestation of the skin by the mite Sarcoptes scabiei. The biology of the mite, the clinical aspects and diagnosis of scabies infestations as well as the treatment of choice with 5% permethrin dermal cream and the use of scabicides based on other chemical substances are reviewed.

THIS book by 20 eminent American contributors is intended as a practical guide to those responsible for the immediate care of severe accidents on arrival in hospital. To achieve this end the authors have adopted a method of presentation which relies heavily on numbered lists, either of possibilities in diagnosis or stcps in treatment. One advantage of this method is that, in spite of having man...

We report observations on infestations with the tick, Amblyomma triguttatum, in soldiers who were bivouacked in two areas near Perth; 34% of 175 persons were infested with varying stages of the ectoparasite. Most persons were infested with only one tick but some troops had multiple infestations. Local skin reactions to tick-bites were frequent; they usually developed 24-48 h after removal of th...

Wildfire and mountain pine beetle infestations are naturally occurring disturbances in western North American forests. Black-backed woodpeckers (Picoides arcticus) are emblematic of the role these disturbances play in creating wildlife habitat, since they are strongly associated with recently-killed forests. However, management practices aimed at reducing the economic impact of natural disturba...

Small ruminants are a major source of cash for many rural populations, especially in semi-arid and arid regions of developing countries. Extensively managed animals often host gastrointestinal parasites, and even chronic infestations lead to economic losses. We evaluated the prevalence of gastrointestinal helminths in sheep and goats of the Cholistan desert, Pakistan, where livestock is the bac...