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13:58
Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays
Published on: September 26, 2011
Frequency and implications of HIV superinfection
Andrew D Redd1, Thomas C Quinn1, Aaron A R Tobian2
1Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
The Lancet. Infectious Diseases
|June 4, 2013
Summary
HIV superinfection, reinfection with a new HIV strain, occurs in 0-7.7% of cases annually. This can worsen health outcomes and impact HIV treatment and vaccine development.
Area of Science:
- Virology
- Infectious Diseases
- Immunology
Background:
- HIV superinfection is the acquisition of a distinct HIV strain by an already infected individual.
- Reported globally, superinfection incidence rates range from 0-7.7% annually.
- Transmission occurs via injecting drug use and sexual contact.
Purpose of the Study:
- To highlight the significance of HIV superinfection.
- To discuss its clinical implications and impact on public health strategies.
- To underscore the need for further research in HIV vaccine development.
Main Methods:
- Utilizes next-generation sequencing for enhanced detection of superinfection.
- Reviews existing global data on superinfection incidence and transmission.
- Analyzes the clinical and public health consequences of superinfection.
Main Results:
- Next-generation sequencing has improved the identification of HIV superinfection.
- Superinfection incidence rates may be comparable to initial HIV infections.
- Detrimental clinical outcomes are associated with superinfection.
Conclusions:
- Clinicians must promote safe practices to prevent superinfection in HIV patients.
- Superinfection poses challenges for large-scale antiretroviral treatment programs.
- Findings necessitate further research for improved HIV care and vaccine design, as initial infection may not confer full protection.
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