搜尋結果
Gnathostoma spp. are spirurid nematodes characterized by the presence of a prominent cephalic bulb and body spines, and are typically associated with carnivorous mammal definitive hosts. Humans are accidental hosts; the only forms found in humans are larvae or immature adults that never reach reproductive maturity.
Clinical Presentation. The majority of infestations are asymptomatic. When symptoms are noted they may include a tickling feeling of something moving in the hair, itching, caused by the an allergic reaction to louse saliva, and irritability.
Human echinococcosis (hydatidosis, or hydatid disease) is caused by the larval stages of cestodes (tapeworms) of the genus Echinococcus. Echinococcus granulosus (sensu lato) causes cystic echinococcosis and is the form most frequently encountered.
Infestations with D. hominis are often characterized by cutaneous swellings on the body or scalp that may produce discharges and be painful. Death is rare, but there have been instances of cerebral myiasis in children where larvae enter the brain.
Geographic Distribution. Tunga penetrans is distributed in tropical and subtropical regions of the world, including Mexico to South America, the West Indies and Africa. The fleas normally occur in sandy climates, including beaches, stables and farms. Clinical Presentation.
2024年5月14日 · Symptoms. The most common symptom of dengue is fever with any of the following: Aches and pains (eye pain, typically behind the eyes, muscle, joint, or bone pain) Nausea, vomiting. Rash. Any warning sign. Common symptoms of dengue. Mild symptoms of dengue can be confused with other illnesses that cause fever.
2024年5月13日 · Signs and symptoms. Molluscum contagiosum causes small, raised bumps that: Usually look white, pink or the same color as your skin. Feel firm, sometimes with a dip in the center. Appear anywhere on your body. Are about the size of a pinhead to a pencil eraser. The sores may be itchy, sore, red, or swollen.
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