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In this photomicrograph, an encysted form of Trichinella spiralisis seen within skeletal muscle. When the worm dies, an inflammatory response ensues, often with numerous eosinophils. These eosinophils are reflected in the peripheral white count. The larvae die within the muscle, since the human is a "dead-end" host. They then undergo dystrophic calcification. Symptoms of the disease include myalgia, chronic fatigue, and periorbital edema. It is acquired from undercooked por