ArticleMediterranean journal of hematology and infectious diseases2022
Immunological Evolution of a Cohort of HIV-2 Infected Patients: Peculiarities of an Underestimated Infection.
Article in Mediterranean journal of hematology and infectious diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- HIV-2 infection in Europe - persistence by migrant flows from West Africa but low spillover into the native population.Le infezioni in medicina · 2026Review
- Insights to a Cure: Unique Controller Phenotypes in the Rotterdam HIV-2 Cohort.Open forum infectious diseases · 2025Article
- Article
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13 authors at 1 institution in 1 country.
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Abstract
Background: Human Immunodeficiency Virus type 2 (HIV-2) affects a minority of patients in Italy; nevertheless, the increasing migratory flow from higher prevalence areas led to the spread of this virus into our Country. We evaluate clinical, viro-immunological, and therapeutic characteristics of patients with HIV-2 infection and HIV-1/HIV-2 dual-infection and the early treatment impact on overall survival and incidence of AIDS events. Methods: We retrospectively analyzed all HIV-2, and HIV-1/HIV-2 positive patients followed in a large Italian clinic from January 1987 to December 2020. We recorded demographic, viro-immunological, clinical, and therapeutic data. We performed a descriptive analysis followed by a longitudinal analysis to explore the factors associated with the CD4+ lymphocyte trend; lastly, we studied the possible predictors of death and AIDS in our cohort in a multivariable model. Results: 32 subjects were enrolled, 17 (53%) HIV-2 infected and 15 (46.8%) HIV-1/HIV-2 dual-infected; 12 patients were lost to follow up, while 3 died. We found a lack of HIV-2 viremia in 12/32 subjects (37.5%). Most of the patients at baseline had a good viro-immunological profile with HIV-2 RNA <200 copies/ml and CD4+ lymphocyte >200 cell/mcl. We found a CD4+ lymphocyte improvement over time, both in the absolute number ( Conclusion: We found a higher prevalence of HIV-1/2 dual infection than in previous observations. Subjects with HIV-2 infection showed a favorable immunological condition at diagnosis, and the benefits of cART in those who received treatment are undiscussed. Moreover, our data suggest a different disease course based on age at diagnosis, as in HIV-1 infections. We encourage starting cART at diagnosis in HIV-2 patients, regardless of CD4+ lymphocyte, because even in the new cART era, CD4+ lymphocyte decrease remains the strongest predictor of death and AIDS also in this population.
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