The primary obstacle to curing HIV-1 is a reservoir of CD4+ cells that contain stably integrated provirus. Previous studies characterizing the proviral landscape, which have been predominantly conducted in males in the United States and Europe living with HIV-1 subtype B, have revealed that most proviruses that persist during antiretroviral therapy (ART) are defective. In contrast, less is known about proviral landscapes in females with non-B subtypes, which represents the largest group of individuals living with HIV-1.
View Article and Find Full Text PDFCOVID-19 vaccination was launched in March 2021 in Uganda and initially prioritized persons >50 years of age, persons with underlying conditions, healthcare workers, teachers, and security forces. However, uptake remained low 5 months after the program launch. Makerere University's Infectious Diseases Institute supported Uganda's Ministry of Health in optimizing COVID-19 vaccination uptake models by using point-of-care, place of worship, and place of work engagement and the Social Assistance Grant for Empowerment model in 47 of 135 districts in Uganda, where we trained influencers to support mobilization for vaccination outreach under each model.
View Article and Find Full Text PDFIn response to the COVID-19 pandemic, we established and sustained local production of alcohol-based handrub (ABHR) at district scale for healthcare facilities and community, public locations in four districts in Uganda. District officials provided space and staff for production units. The project renovated space for production, trained staff on ABHR production, and transported ABHR to key locations.
View Article and Find Full Text PDFUganda is highly vulnerable to public health emergencies (PHEs) due to its geographic location next to the Congo Basin epidemic hot spot, placement within multiple epidemic belts, high population growth rates, and refugee influx. In view of this, Uganda's Ministry of Health established the Public Health Emergency Operations Center (PHEOC) in September 2013, as a central coordination unit for all PHEs in the country. Uganda followed the World Health Organization's framework to establish the PHEOC, including establishing a steering committee, acquiring legal authority, developing emergency response plans, and developing a concept of operations.
View Article and Find Full Text PDFHIV-1 infection remains incurable owing to the persistence of a viral reservoir that harbors integrated provirus within host cellular DNA. Increasing evidence links sex-based differences in HIV-1 immune responses and pathogenesis; however, little is known about differences in HIV-1 infection persistence. Here, we quantified persistent HIV-1 infection in 90 adults on suppressive antiretroviral therapy in Rakai, Uganda (57 female patients).
View Article and Find Full Text PDFBackground: Since the declaration of the 10th Ebola Virus Disease (EVD) outbreak in DRC on 1st Aug 2018, several neighboring countries have been developing and implementing preparedness efforts to prevent EVD cross-border transmission to enable timely detection, investigation, and response in the event of a confirmed EVD outbreak in the country. We describe Uganda's experience in EVD preparedness.
Results: On 4 August 2018, the Uganda Ministry of Health (MoH) activated the Public Health Emergency Operations Centre (PHEOC) and the National Task Force (NTF) for public health emergencies to plan, guide, and coordinate EVD preparedness in the country.
Uganda is currently implementing the Global Health Security Agenda (GHSA), aiming at accelerating compliance to the International Health Regulations (IHR) (2005). To assess progress toward compliance, a Joint External Evaluation (JEE) was conducted by the World Health Organization (WHO). Based on this evaluation, we present the process and lessons learned.
View Article and Find Full Text PDFBackground: The ability of HIV-1 to integrate into the genomes of quiescent host immune cells, establishing a long-lived latent viral reservoir (LVR), is the primary obstacle to curing these infections. Quantitative viral outgrowth assays (QVOAs) are the gold standard for estimating the size of the replication-competent HIV-1 LVR, measured by the number of infectious units per million (IUPM) cells. QVOAs are time-consuming because they rely on culturing replicate wells to amplify the production of virus antigen or nucleic acid to reproducibly detectable levels.
View Article and Find Full Text PDFTrimethoprim-sulfamethoxazole (TMP-SMX) prophylaxis in HIV-uninfected, exposed (HUE) children variably reduces clinical malaria burden despite antifolate resistance, but data regarding achieved serum levels and adherence are lacking. Serum samples from 70 HUE children aged 3-12 months from Rakai, Uganda, enrolled in an observational study were assayed for random SMX levels using a colorimetric assay. Adherence with TMP-SMX prophylaxis data (yes/no) was also collected.
View Article and Find Full Text PDFBackground: Switch from first to second-line ART is recommended by WHO for patients with virologic failure. Delays in switching may contribute to accumulated drug resistance, advanced immunosuppression, increased morbidity and mortality. The 3rd 90' of UNAIDS 90:90:90 targets 90% viral suppression for persons on ART.
View Article and Find Full Text PDFBackground: Human immunodeficiency virus type 1 (HIV-1) persists in latently infected resting CD4+ T cells (rCD4 cells), posing a major barrier to curing HIV-1 infection. Previous studies have quantified this pool of latently infected cells in Americans; however, no study has quantified this reservoir in sub-Saharan Africans, who make up the largest population of HIV-1-infected individuals globally.
Methods: Peripheral blood was collected from 70 virally suppressed HIV-1-infected individuals from Rakai District, Uganda, who had initiated antiretroviral therapy (ART) during chronic infection.
Background: Programmatic planning in HIV requires estimates of the distribution of new HIV infections according to identifiable characteristics of individuals. In sub-Saharan Africa, robust routine data sources and historical epidemiological observations are available to inform and validate such estimates.
Methods And Findings: We developed a predictive model, the Incidence Patterns Model (IPM), representing populations according to factors that have been demonstrated to be strongly associated with HIV acquisition risk: gender, marital/sexual activity status, geographic location, "key populations" based on risk behaviours (sex work, injecting drug use, and male-to-male sex), HIV and ART status within married or cohabiting unions, and circumcision status.
Objective: To assess the accuracy of PIMA Point-of-Care (POC) CD4 testing in rural Rakai, Uganda.
Methods: 903 HIV positive persons attending field clinics provided a venous blood sample assessed on site using PIMA analyzers per manufacturer's specifications. The venous samples were then run on FACSCalibur flow cytometry at a central facility.
Evidence-based interventions to ensure a good outcome during childbirth are widely available. Their applicability in various settings depends on local conditions and the resources available. Best practices during normal labour and delivery are described for Zimbabwean health facilities.
View Article and Find Full Text PDFEvidence based recommendations, taken from systematic reviews of available literature form the basis for best practices. The manpower and resources available at health institutions in Zimbabwe have been taken into account in developing these antenatal protocols. Good quality is achieved when all the six visits are undertaken at the recommended times, and the activities are carried out competently by providers displaying a good attitude towards the patients.
View Article and Find Full Text PDFObjective: To compare birth outcomes, hospital admissions and mortality amongst HIV-1 seropositive and HIV-1 seronegative pregnant women in Kampala, Uganda and Harare, Zimbabwe.
Design: In Kampala and Harare about 400 HIV-1 seropositive and 400 HIV-1 seronegative pregnant women were recruited at initial visit for antenatal care into a prospective study and followed for two years after delivery. The women were classified as HIV-1 seropositive at recruitment if initial and second ELISA tests were positive and confirmed by Western Blot assay.
The purpose of post natal care for the mother is to avert or alleviate significant mortality and morbidity. During the immediate post partum period, the emphasis will be on monitoring to detect complications and assisting the mother to initiate care of the newborn, especially breastfeeding. In the latter post partum period, the aim is to confirm involution and healing of the genital tract, confirm continued good newborn care by the mother and offer protection against pregnancy to the couple.
View Article and Find Full Text PDFObjectives: To determine the mother-to-child transmission (MTCT) rate of HIV-1 and to compare the survival patterns among infants born to HIV-1 infected and seronegative mothers.
Design: A two year prospective study from 1991 to 1995.
Methods: 345 HIV-1 infected mothers and 351 seronegative mothers and their infants were examined at regular intervals up to 24 months of age.
Objective: To estimate the incidence of HIV seroconversion among women following pregnancy and delivery.
Design: A prospective cohort of women who were HIV negative at recruitment on first antenatal care visit.
Materials And Methods: Pregnant women were invited to undergo voluntary confidential HIV counselling and blood draw for HIV testing during the first antenatal care visit as part of a prospective study of mother-to-child transmission of HIV-1.
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Objective: To determine the attitudes of professional health workers (doctors, nurses, matrons, social workers and hospital administrators) to medically supervised abortion.
Design: Cross sectional study.
Setting: Randomly selected health institutions--urban as well as rural in the eight provinces of Zimbabwe.
Objective: To measure the effectiveness of unaided visual inspection (UVI) of the cervix as a primary means of cervical cancer screening.
Design: A cross sectional study.
Setting: Five primary health care clinics in Mashonaland Province, Zimbabwe.
Transmission of human immunodeficiency virus (HIV) and mortality was studied among infants of infected women in Zimbabwe. Of 367 infants born to HIV-infected women, 72 (19.6%) died compared with 20 (5.
View Article and Find Full Text PDFUnwanted teenage pregnancy and the attendant morbidity and mortality necessitate an understanding of the factors influencing adolescent sexuality and the implementation of programmes designed to improve their knowledge and reproductive behaviour. A randomized controlled study on reproductive health knowledge and behaviour was undertaken among adolescent pupils drawn from a multi-stage random cluster sample. A self-administered questionnaire was used to assess aspects of reproductive health knowledge and behaviour at baseline followed by a health education intervention, except for control schools.
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