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Section 3. Summaries of Infectious Diseases
Isosporiasis
Clinical Manifestations
Etiology
Epidemiology
Diagnostic Tests
Treatment
Isolation of the Hospitalized Patient
Control Measures
CLINICAL MANIFESTATIONS: Protracted, watery diarrhea is the
most common symptom. Manifestations are similar to those caused
by
Cryptosporidium species and
Cyclospora species and can include
abdominal pain, anorexia, and weight loss. Fever, malaise, nausea,
vomiting, and headache have been reported. The proportion of
infected people who are asymptomatic is unknown. Severity of
infection ranges from self-limiting in immunocompetent hosts
to life threatening in immunocompromised patients, particularly
people infected with human immunodeficiency virus (HIV).
ETIOLOGY: Isospora belli is a spore-forming coccidian protozoan.
EPIDEMIOLOGY: Humans are the only known host for
I belli. Infection
is more common in tropical and subtropical climates and in areas
with poor sanitary conditions. Infection in humans occurs by
the fecal-oral
. . . [Go to Full Text]
Related text in Red Book:
- Drugs for Parasitic Infections
Red Book
2006: 790-820.
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