HIV-1 Antiretroviral Resistance in Cuba, 2009-2014.

INTRODUCTION By the end of 2017, there were more than 28,000 individuals living with HIV in Cuba, over 80% receiving antiretroviral therapy, which dramatically reduces viral replication, improves immune status and decreases risk of transmission. These results could be jeopardized by emergence of HIV-1 drug resistance. In 2009, a test for HIV-1 genotypic resistance was introduced in routine clinical practice in Cuba.

[Factors linked to rapid progression to AIDS in Cuban subjects].

Introduction: in the last few years, the number of HIV Cuban patients expressing rapid clinical and immunologic deterioration has increased.

Objective: to find out the possible factors associated to rapid progression to AIDS.

Methods: a case-control study was carried out with the objective of determining possible factors associated with rapid progression to AIDS.

[Influence of the viral subtype in the progression of HIV patients].

A longitudinal study of 161 HIV-positive patients seen at "Pedro Kouri" Institute of Tropical Medicine was conducted to assess the influence of viral recombination in the outcome of patients infected by the human immunodeficiency virus type 1 (HIV-1). The cohort was divided into two groups: Recombinant and Non Recombinant, depending on the viral subtype or recombinant form accounting for the infection. The participants from each group were observed for 18 months and compared in terms of time to developing AIDS, frequency of opportunistic diseases, survival and speed of reduction of CD4 T lymphocytes.