Detection of HIV-1 dual infections in highly exposed treated patients
2011

Detection of HIV-1 Dual Infections in Treated Patients

Sample size: 23 publication Evidence: moderate

Author Information

Author(s): Andreani Guadalupe, Espada Constanza, Ceballos Ana, Ambrosioni Juan, Petroni Alejandro, Pugliese Dora, Bouzas María Belén, Fernandez Giuliano Silvia, Weissenbacher Mercedes C, Losso Marcelo, Benetucci Jorge, Carr Jean K, Martínez Peralta Liliana

Primary Institution: National Reference Center for AIDS, School of Medicine, University of Buenos Aires

Hypothesis

Can HIV dual infections occur in HIV-infected individuals with a high probability of reinfection?

Conclusion

HIV dual infection can occur with closely related subtypes without aggressive disease progression or significant impact on resistance patterns.

Supporting Evidence

  • Five dual infections were detected among the participants.
  • Four patients were coinfected with subtype B and BF recombinants.
  • One patient was coinfected with two BF recombinants.
  • Resistance mutation patterns differed between predominant and minority strains.
  • Clinical observations showed stable conditions in dually-infected patients.

Takeaway

Some people can get infected with two types of HIV at the same time, but it doesn't always make them sicker.

Methodology

Blood samples were collected from HIV positive patients, and phylogenetic analyses were performed on the HIV gene pol.

Limitations

The study only included a small number of patients and may not represent the broader population.

Participant Demographics

Participants were HIV positive individuals from Buenos Aires with multiple epidemiological risks.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-392

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