Earlier initiation of antiretroviral treatment coincides with an initial control of the HIV-1 sub-subtype F1 outbreak among men-having-sex-with-men in Flanders, Belgium

Authors: Vinken L, Fransen K, Cuypers L, Alexiev I, Balotta C, Debaisieux L, Seguin-Devaux C, García Ribas S, Gomes P, Incardona F, Kaiser R, Ruelle J, Sayan M, Paraschiv S, Paredes R, Peeters M, Sönnerborg A, Vancutsem E, Vandamme AM, Van den Wijngaert S, Van Ranst M, Verhofstede C, Stadler T, Lemey P, Van Laethem K
Publication Year: 2019
Journal: Frontiers in Microbiology
Link: https://www.ncbi.nlm.nih.gov/pubmed/30972053

Human immunodeficiency virus type 1 (HIV-1) non-B subtype infections occurred in Belgium since the 1980s, mainly amongst migrants and heterosexuals, whereas subtype B predominated in men-having-sex-with-men (MSM). In the last decade, the diagnosis of F1 sub-subtype in particular has increased substantially, which prompted us to perform a detailed reconstruction of its epidemiological history. To this […]
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A21 HIV-1 sub-subtype F1 outbreak among MSM in Belgium

Authors: Alexiev I, Balotta C, Debaisieux L, Devaux C, Fransen K, García Ribas S, Gomes P, Incardona F, Kaiser R, Lemey P, Paraschiv S, Paredes R, Peeters M, Pineda-Peña AC, Ruelle J, Sayan M, Sönnerborg A, Van den Wijngaert S, Van Laethem K, Van Ranst M, Vancutsem E, Vandamme AM, Verhofstede C, Vinken L
Publication Year: 2017
Journal: Virus Evolution
Link: https://academic.oup.com/ve/article/3/suppl_1/vew036.020/4090767%20

HIV-1 non-B subtype infections have been observed in Belgium since the 1980s. However, subtype B predominates amongst men having sex with men (MSM), whereas other subtypes are mainly associated with sub-Saharan African migrants and heterosexual risk behavior. In the last decade, subtype F1 diagnoses have increased substantially in Belgium, representing 9% of newly diagnosed and […]
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Limited cross-border infections in patients newly diagnosed with HIV in Europe

Authors: Abecasis AB, Albert J, Åsjö B, Balotta C, Beshkov D, Camacho RJ, Clotet B, Coughlan S, De Wit S, Frentz D, Griskevicius A, Grossman Z, Hamouda O, Horban A, Jørgensen LB, Kolupajeva T, Korn K, Kostrikis LG, Kücherer C, Liitsola K, Linka M, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, Vandamme AM, Wensing AMJ
Publication Year: 2013
Journal: Retrovirology
Link: http://www.retrovirology.com/content/10/1/36

International travel plays a role in the spread of HIV-1 across Europe. It is, however, not known whether international travel is more important for spread of the epidemic as compared to endogenous infections within single countries. In this study, phylogenetic associations among HIV of newly diagnosed patients were determined across Europe.
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Cellular HIV-1 DNA levels in drug sensitive strains are equivalent to those in drug resistant strains in newly-diagnosed patients in Europe

Authors: Balotta C, Clotet B, Demetriou VL, Grossman Z, Jørgensen LB, Kostrikis LG, Kousiappa I, Lepej SZ, Levy I, Nielsen C, Paraskevis D, Poljak M, Roman F, Ruiz L, Schmidt JC, Van de Vijver DA, Vercauteren J, Vandamme AM, Van Laethem K
Journal: PLoS One
Link: http://www.ncbi.nlm.nih.gov/pubmed/20544014

BACKGROUND:
HIV-1 genotypic drug resistance is an important threat to the success of antiretroviral therapy and transmitted resistance has reached 9% prevalence in Europe. Studies have demonstrated that HIV-1 DNA load in peripheral blood mononuclear cells (PBMC) have a predictive value for disease progression, independently of CD4 counts and plasma viral load.
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Treatment-associated polymorphisms in protease are significantly associated with higher viral load and lower CD4 count in newly diagnosed drug-naive HIV-1 infected patients.

BACKGROUND:
The effect of drug resistance transmission on disease progression in the newly infected patient is not well understood. Major drug resistance mutations severely impair viral fitness in a drug free environment, and therefore are expected to revert quickly. Compensatory mutations, often already polymorphic in wild-type viruses, do not tend to revert after transmission.
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Earlier initiation of antiretroviral treatment coincides with an initial control of the HIV-1 sub-subtype F1 outbreak among men-having-sex-with-men in Flanders, Belgium

A21 HIV-1 sub-subtype F1 outbreak among MSM in Belgium

Limited cross-border infections in patients newly diagnosed with HIV in Europe

Cellular HIV-1 DNA levels in drug sensitive strains are equivalent to those in drug resistant strains in newly-diagnosed patients in Europe

Treatment-associated polymorphisms in protease are significantly associated with higher viral load and lower CD4 count in newly diagnosed drug-naive HIV-1 infected patients.

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