Laboratory Diagnosis of HIV Infection

Follow-Up Testing of Reactive Rapid HIV-1 Antibody Tests Results

October 2009

I also want to remind the listener that follow-up testing of reactive rapid antibody tests include supplemental testing with Western blot or the indirect immunofluorescence assays, even if the laboratory immunoassays such as EIA or CIA are nonreactive. And, if the confirmatory tests yielded negative or indeterminate results, follow-up testing should be done in 4 weeks after the initial rapid antibody test result was obtained.

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Follow-Up Testing

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• Introduction
• HIV Markers During Early Infection
• Assay-Defined HIV Detection Windows and Infection Periods
• Serologic Tests for HIV Infection in US
• Principle of Future Combined HIV Antigen-Antibody ELISAs
• Virology Tests for HIV Infection
• HIV Serologic Screening Algorithm
• HIV Rapid Serology Follow-up Algorithm
• Indeterminate HIV-1 Antibody Western Blot Results
• Rapid HIV Antibody Tests Licensed in US, 2009
• Predictive Value: Single Screening Test
• Rapid HIV Antibody Tests: Clinical Applications
• Follow-Up Testing of Reactive Rapid HIV-1 Antibody Tests Results
• Diagnostic HIV Testing in Infants
• Diagnostic HIV Testing in Infants
• Awareness of Serostatus Among People with HIV and Estimates of Transmission in US
• Reasons for Testing: Late vs. Early Testers
• 2006 US CDC Recommendations: Adults and Adolescents
• 2006 US CDC Recommendations: Adults and Adolescents
• 2006 US CDC Recommendations: Pregnant Women
• 2006 US CDC Recommendations: Pregnant Women
• Summary
• Questions?
• Disclosure