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2020 Monthly Case Studies

Monthly Case Studies - 2020

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September 2020
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A 53-year-old woman from Florida presented to a dermatology clinic with a raised, itchy, red rash on her torso that persisted over the past six months and did not respond to topical treatments.

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A 25-year-old man with fever and myalgia presented to an urgent care clinic in Pennsylvania, and no travel history was obtained at that time.

August 2020
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As part of a refugee screening program, a young child had a fecal ova and parasite (O & P) examination which included a formalin-ethyl acetate (FEA) fecal concentration.

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At a regional diagnostic laboratory, where specimens from the southeastern United States are evaluated, the objects shown in Figures A and B were observed on a wet mount preparation from a fecal formalin-ethyl acetate (FEA) concentrate.

July 2020
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In Singapore, a 54-year-old man with an extensive travel history to Vietnam, Thailand, and France presented to a clinic with prolonged fever, urticarial rash, and muscle aches.

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A 67-year-old male from Houston, TX sought medical evaluation following 3 days of abdominal pain, diarrhea, and fatigue after returning from a two-week summer vacation in Nairobi, Kenya.

June 2020
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An 18-year-old male living in India presented with recurrent periumbilical abdominal pain for one week. Other symptoms included mild anemia and eosinophilic leukocytosis.

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A 24-year-old man from Thailand presented to his healthcare provider with complaints of gastrointestinal pain and weight loss. He also reported seeing thin worms in his stool on rare occasion.

May 2020
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A group of college students traveled to Brazil on a rafting and camping trip for two weeks. Malaria prophylaxis was highly recommended however one student declined.

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A 58 year-old-man from Peru visiting relatives in the United States was killed in a traffic accident. An autopsy revealed cysts in his liver of which a few were excised and sent to pathology for identification.

April 2020
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A 4-year-old boy went for a routine medical examination with his parents after they returned from a one-year sabbatical, studying primates in their natural habitat in central Africa.

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A 24-year-old female exchange student from Guinea reported to the clinic with headaches, itchy skin, and enlarged lymph nodes.

March 2020
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A 60-year-old non-smoking male patient presented to his primary care physician with a chronic cough and shortness of breath. He reported no recent travel outside of the Southern United States.

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A 29-year-old female patient presented to her primary care physician reporting a 15-day history of whitish, vaginal discharge associated with itching.

February 2020
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A 3-year-old boy was seen by a pediatrician for gastrointestinal pain and watery diarrhea. His parents conveyed that he has a propensity for putting insects in his mouth and sometimes eating them.

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A 29-year-old man sought medical attention with his health care provider with a complaint of itchy maculopapular rash on several areas of his body.

January 2020
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A 63-year-old man returned from visiting with family in Nigeria. He developed fever, chills and a mild headache three days before presenting to the clinic.

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A 69-year-old male patient from a rural town in Georgia experiencing symptoms of productive cough with blood, hematochezia (rectal bleeding) and chest pain sought medical attention at the county health clinic.


DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit www.cdc.gov/parasites/.

Page last reviewed: March 24, 2021