Parasitic Infections in HIV-Infected Patients
Summary
- Acute infections and reactivation of Chagas disease may be diagnosed by direct demonstration of the parasite in blood by light microscopy
- Indeterminate and chronic infections require xenodiagnosis, serology, or use of nucleic acid-based tests
- Diagnosis based on serologic testing requires 2 positive tests performed with different antigens[WHO 2002]
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