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Human gnathostomiasis is an infection by the migrating third-stage larvae of any of five species of Gnathostoma. The most common cause in Asia is G. spinigerum, and the most common cause in the Americas is G. binucleatum. G. hispidium and G. doloresi occur in East and Southeast Asia; the former has also been found in Eastern Europe.
Cutaneous larva migrans (abbreviated CLM) is a skin disease in humans, caused by the larvae of various nematode parasites of the hookworm family (Ancylostomatidae).The parasites live in the intestines of dogs, cats, and wild animals; they should not be confused with other members of the hookworm family for which humans are definitive hosts, namely Ancylostoma duodenale and Necator americanus.
Demodicosis in humans is usually caused by Demodex folliculorum and may have a rosacea-like appearance. [4] [5] Common symptoms include hair loss, itching, and inflammation. An association with pityriasis folliculorum has also been described. [5] Demodicosis is most often seen in folliculitis (inflammation of the hair follicles of the skin).
Symptoms include itching, inflammation, and black debris in the ear. [34] Cheyletiellosis is a mild pruritic skin disease caused by Cheyletiella yasguri. Humans can be transiently infected. [34] Chiggers*, also known as harvest mites, can cause itching, redness and crusting of the skin. [6]
Many people infected are asymptomatic at first. Symptoms include dermatitis: swelling, itching, larva currens, and mild hemorrhage at the site where the skin has been penetrated. Spontaneous scratch-like lesions may be seen on the face or elsewhere.
Pemphigus vulgaris is rare in humans and animals, but is often fatal if left untreated. In dogs, the disease presents itself so similarly to the way it occurs in humans that dogs can be used as models for the disease in humans. [4] When the disease first begins to manifest itself, lesions are usually evident in the oral cavity of the dog. [9]
Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...
To date, about 30 different species of nematode have been identified in domestic dogs; they are essentially also found in wild dog species. However, the majority of them often cause no or only minor symptoms of disease in adult animals. The infection therefore does not necessarily have to manifest itself in a worm disease (helminthosis). For ...