Results: 32

Performance of two plasma separation devices for HIV-1 viral load measurement in primary healthcare settings

Microbiol. spectr; 11 (6), 2023
ABSTRACT Dried blood spot (DBS) may overestimate the viral RNA, mainly in patients with low viral load (VL), due to proviral DNA and intracellular RNA. The Burnett and HemaSpot provide integrated solutions for the collection, separation, and drying of plasma from whole blood. This study aims to evalua...

Same-day test and treat for infants with HIV infection: finally within reach

J. int. aids soc; 25 (9), 2022
In 2021, there were more than 150,000 new HIV infections among children; however, only 52% of children living with HIV were on antiretroviral treatment (ART) [1]. Untreated infants and young children are at high risk for rapid disease progression and death [2, 3]; early diagnosis and rapid treatment can ...

Stability of HIV-1 Nucleic Acids in cobas Plasma Separation Card for Viral Load Measurement

Am. j. clin. pathol; 158 (1), 2022
Objectives: Our study aimed to evaluate the stability of human immunodeficiency virus 1 (HIV-1) RNA on cobas plasma separation card (PSC) specimens for viral load (VL) testing after being exposed to varied temperatures and storage times. Methods: For this purpose, venous PSC specimens were collected and ...

The impact of the caregiver mobility on child HIV care in the Manhiça District, Southern Mozambique: A clinical based study

PLos ONE; 16 (12), 2021
Introduction: Manhiça District, in Southern Mozambique harbors high HIV prevalence and a long history of migration. To optimize HIV care, we sought to assess how caregiver's mobility impacts children living with HIV (CLHIV)´s continuation in HIV care and to explore the strategies used by caregivers to ...

Characteristics of adolescents aged 15-19 years living with vertically and horizontally acquired HIV in Nampula, Mozambique

PLoS One; 16 (4), 2021
Background: Adolescents living with HIV (ALHIV) 15-19 years of age are a growing proportion of all people living with HIV globally and the population includes adolescents with vertically acquired HIV (AVH) and behaviorally acquired HIV (ABH). Methods: We conducted a survey to measure sociodemographic ch...

External Quality Assessment Programme for Early Infant Diagnosis of HIV-1, Mozambique, 2011-2014

This study evaluated a National External Quality Scheme Program for early infant diagnosis of HIV. Fourteen laboratory technicians participated, and nine testing panel cycles were sent between 2011 and 2014. The response rate was 100% for the first eight panels, and the number of technicians with a test ...

Viral load assay performs comparably to early infant diagnosis assay to diagnose infants with HIV in Mozambique: a prospective observational study

J. int. aids soc; 23 (), 2020
Introduction: Viral load testing is essential to manage HIV disease, especially in infants and children. Early infant diagnosis (EID) is performed using nucleic-acid testing in children under 18 months. Resource-limited health systems face severe challenges to scale-up both viral load and EID to unpreced...

Cost-per-diagnosis as a metric for monitoring cost-effectiveness of HIV testing programmes in low-income settings in southern Africa: health economic and modelling analysis

J. int. aids soc; 22 (7), 2019
Introduction: As prevalence of undiagnosed HIV declines, it is unclear whether testing programmes will be cost-effective. To guide their HIV testing programmes, countries require appropriate metrics that can be measured. The cost-per-diagnosis is potentially a useful metric. Methods: We simulated a serie...

Hepatocellular Carcinoma: Clinical-pathological features and HIV infection in Mozambican patients

Mozambique had been ranked among the countries with the highest global incidence of HCC with chronic hepatitis B infection and high exposure to aflatoxin-B1 (AFB1) being major risk factors. Indeed, HCC remains one of the most frequent cancer in Maputo. On the other hand, Mozambique has a high prevalence ...

Regulatory T cell abundance and activation status before and after priming with HIVIS-DNA and boosting with MVA-HIV/rgp140/GLA-AF may impact the magnitude of the vaccine-induced immune responses

Immunobiol., Suppl; 223 (12), 2018
Little is known about regulatory CD4 T cells (Tregs) in the context of HIV vaccines. Tregs can be differentiated into resting (FoxP3+CD45RA+ - rTregs), activated (FoxP3HighCD45RA- - aTregs) and memory (FoxP3LowCD45RA- - mTregs). Tregs, as CD4 T cells, are also frequent targets for HIV infection. We studi...