Objetivo: Comparar a prevalência e os fatores associados à transmissão vertical de HIV-1 entre grávidas tratadas nos períodos de 1998-2004 e 2005-2011 em um servic¸o de referência de cuidado de pacientes com HIV no sul ...

Objective: To identify a new circulating recombinant form (CRF) of HIV-1 comprising two circulating subtypes in the southern region in Brazil, subtypes B and C. Methods: A total of 152 HIV-positive patients followed at ...

Human immunodeficiency virus type 1 (HIV-positive) pregnant women require specific prophylactic and therapeutic approaches. The efficacy of established approaches is further challenged by co-infection with other sexually ...

Background: Although extensive HIV drug resistance information is available for the first 400 amino acids of its reverse transcriptase, the impact of antiretroviral treatment in C-terminal domains of Pol (thumb, connection ...

Hepatitis C (HCV) is a serious public health issue, and it is estimated that 3% of the world’s population is infected. Patients in hemodialysis units have an increased risk for contracting HCV, and high prevalence rates ...

Different human immunodeficiency virus type 1 (HIV-1) subtypes may have distinct biological, immuno- logical and pathogenic properties. Efficiency of mother-to-child transmission (MTCT) may be among those properties, but ...

Different human immunodeficiency virus type 1 (HIV-1) subtypes may have distinct biological, immunological and pathogenic properties. Efficiency of mother-to-child transmission (MTCT) may be among those properties, but few ...

Background. Subtype C is the most prevalent HIV-1 subtype in the world, mainly in countries with the highest HIV prevalence. However, few studies have evaluated the impact of antiretroviral therapy on this subtype. In ...

Polymorphisms in genes that encode chemokines or their receptors can modulate susceptibility to human immunodeficiency virus (HIV) infection and disease progression. The objective of this study was to assess the frequency ...

Background: To evaluate the impact of HIV-1 CRF31_BC in the southern Brazilian HIV epidemic. Methods: Blood plasma from 284 patients was collected from July 2002 to January 2003 at 2 reference HIV/AIDS centers in ...

Aim: To compare the prevalence and factors associated with vertical transmission of HIV-1 among pregnant women treated in the periods of 1998---2004 and 2005---2011 in a reference service for the care of HIV-infected ...

Background: Hepatitis C virus infection is a serious public health problem. Hemodialysis is considered one of the main risk factors of HCV infection, due to several invasive medical procedures and potential nosocomial ...

Objective: TLRs (toll-like receptors) and RLRs (RIG-I-like receptors) mediate innate immune responses by detecting microorganism invasion. RIG-I activation results in the production of interferon (IFN) type 1 and IFN ...

Objective: TLRs (toll-like receptors) and RLRs (RIG-I-like receptors) mediate innate immune responses by detecting microorganism invasion. RIG-I activation results in the production of interferon (IFN) type 1 and IFN ...

OBJETIVO: Determinar a prevalência e os genótipos do HPV e identificar os fatores associados à infecção em mulheres, gestantes e não gestantes HIV-1 positivas e negativas, atendidas nos Ambulatórios de Ginecologia e ...

OBJETIVO: Determinar a frequência do Papilomavírus Humano (HPV) na placenta, no colostro e no sangue do cordão umbilical de parturientes e seus neonatos atendidos no Ambulatório de Ginecologia e Obstetrícia do Hospital ...

A hantavirose é uma doença mundialmente distribuída e transmitida através da inalação de aerossóis contendo excretas de roedores silvestres contaminados pelo Hantavirus. No Brasil, o primeiro caso de hantavirose foi ...

A hantavirose é uma doença mundialmente distribuída e transmitida através da inalação de aerossóis contendo excretas de roedores silvestres contaminados pelo Hantavirus. No Brasil, o primeiro caso de hantavirose foi ...

Fundamentation: Hepatitis G Virus (GBV-C) is a very common with worldwide distribution virus, although there are few studies about it. Most studies relate GBV-C coinfection with HIV as a protective factor. Objective: the ...

Herpes simplex virus (HSV) infection is one ofthe most prevalent infectious diseases world-wide, with HSV -2 being primarily associatedwith genital infections. HSV-2 is believed toaccount for the majority of cases of ...