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There are more than 2,000 species of tiny (0.04 to 0.15 inches), wingless, blood-sucking fleas that live on the body of the host they infest. Although fleas cannot fly, they have developed ...
The human flea (Pulex irritans) – once also called the house flea [1] – is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus Pulex ; the other five are all confined to the Nearctic and Neotropical realms . [ 2 ]
Fleas can transmit Rickettsia typhi, Rickettsia felis, Bartonella henselae, and the myxomatosis virus. [35]: 73 They can carry Hymenolepiasis tapeworms [37] and Trypanosome protozoans. [35]: 74 The chigoe flea or jigger (Tunga penetrans) causes the disease tungiasis, a major public health problem around the world. [38]
In most susceptible mammals, the clinical signs include fever, lethargy, loss of appetite, signs of sepsis, and possibly death. Nonhuman mammals rarely develop the skin lesions seen in people. Subclinical infections are common, and animals often develop specific antibodies to the organism. Fever is moderate or very high, and tularemia bacilli ...
The pests live in four life stages: egg, larva, pupa and adult fleas, according to the Centers for Disease Control and Prevention. Adults are commonly found on pets and feast on their blood for ...
Myiasis (/ m aɪ. ˈ aɪ. ə. s ə s / my-EYE-ə-səss [1]), also known as flystrike or fly strike, is the parasitic infestation of the body of a live animal by fly larvae that grow inside the host while feeding on its tissue.
The Most Common Signs of Prostate Cancer “Prostate cancer is one of those conditions that could easily be caught early,” says John Lynam, D.O. , an osteopathic physician in Florida who ...
The disease can be fatal if left untreated, but endemic typhus is highly treatable with antibiotics. Most people recover fully, but death may occur in the elderly, severely disabled or patients with a depressed immune system. The most effective antibiotics include tetracycline and chloramphenicol.