104 research outputs found
Intellectual Property and the Politics of Public Good in COVID-19: Framing Law, Institutions, and Ideas during TRIPS Waiver Negotiations at the WTO
Context: To facilitate the manufacturing of COVID-19 medical products, in October 2020, India and South Africa proposed a waiver of certain WTO intellectual property (IP) provisions. After 18 months, a narrow agreement that did little for vaccine access passed the ministerial, despite the pandemic’s impact on global trade, which the WTO is mandated to safeguard.
Methods: The authors conducted a content analysis of WTO legal texts, key actor statements, media reporting, and the WTO’s procedural framework to explore legal, institutional, and ideational explanations for the delay.
Findings: IP waivers are neither legally complex nor unprecedented within WTO law, yet TRIPS waiver negotiations exceeded their mandated 90-day negotiation period by nearly 2 years. Waiver opponents and supporters engaged in escalating strategic framing, which justified and eventually secured political attention at head-of-state level, sidelining other pandemic solutions. The frames deployed discouraged consensus on a meaningful waiver, which ultimately favored the status quo that opponents preferred. WTO institutional design encouraged drawn-out negotiation while limiting legitimate players in debate to trade ministers, empowering narrow interest group politics.
Conclusions: Despite global political attention, the WTO process contributed little to emergency vaccine production, suggesting a pressing need for reforms aimed at more efficient and equitable multilateral processes
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Intellectual Property and the Politics of Public Good in COVID-19: Framing Law, Institutions, and Ideas during TRIPS Waiver Negotiations at the WTO
ContextTo facilitate the manufacturing of COVID-19 medical products, in October 2020 India and South Africa proposed a waiver of certain intellectual property (IP) provisions of a World Trade Organization (WTO) agreement. After nearly two years, a narrow waiver agreement that did little for vaccine access passed the ministerial despite the pandemic's impact on global trade, which the WTO is mandated to safeguard.MethodsThe authors conducted a content analysis of WTO legal texts, key-actor statements, media reporting, and the WTO's procedural framework to explore legal, institutional, and ideational explanations for the delay.FindingsIP waivers are neither legally complex nor unprecedented within WTO law, yet these waiver negotiations exceeded their mandated 90-day negotiation period by approximately 18 months. Waiver opponents and supporters engaged in escalating strategic framing that justified and eventually secured political attention at head-of-state level, sidelining other pandemic solutions. The frames deployed discouraged consensus on a meaningful waiver, which ultimately favored the status quo that opponents preferred. WTO institutional design encouraged drawn-out negotiation while limiting legitimate players in the debate to trade ministers, empowering narrow interest group politics.ConclusionsDespite global political attention, the WTO process contributed little to emergency vaccine production, suggesting a pressing need for reforms aimed at more efficient and equitable multilateral processes
The feasibility of integrating alcohol risk-reduction counseling into existing VCT services in Kenya
This pretest-posttest separate-sample study with intervention and comparison groups documented the abilities and willingness of trained voluntary counseling and testing (VCT) service providers to integrate alcohol screening and risk reduction counseling into their routine service delivery. Pre-test (n=1073) and post-test data (n=1058) were collected from different clients exiting from 25 VCT centers. A 12-month intervention that required all VCT providers from the intervention groups to screen all VCT clients for their alcohol use and offer them brief risk reduction alcoholrelated counseling was implemented. At post-test, the intervention group clients (n=456) had better study outcomes than the comparison group clients (n=602). Intervention clients were more likely to report that their VCT service provider had: asked them about their alcohol use (83% vs. 41%:
The Gender Context of HIV Risk and Pregnancy Goals in Western Kenya
Background: Intentional childbearing may place heterosexual couples at risk of HIV infection in resource-limited settings with high HIV prevalence areas where society places great value on having children.Objective: To explore cognitive, cultural, and spatial mapping of sexual and reproductive health domains and services in western Kenya among men and women.Design: Community-based formative qualitative study design.Setting: Five administrative/geographical divisions of Nyando District, western Kenya.Subjects: Adult male 18 years and older and female who were of reproductive-potential ages (15 to 49 years for females)(n=90).Results:Men and women have disparate goals for number of children and engage in gendered patterns of protective method use (contraceptives used by women often in secret, condoms by men but rarely).Conclusion: HIV infection was still seen as stigmatising. These study results are relevant to design of effective integrated delivery for reproductive and HIV services in high-burden sub-Saharan African countries
Distinct transcriptomic signatures define febrile malaria depending on initial infective states, asymptomatic or uninfected
Background: Cumulative malaria parasite exposure in endemic regions often results in the acquisition of partial immunity and asymptomatic infections. There is limited information on how host-parasite interactions mediate the maintenance of chronic symptomless infections that sustain malaria transmission.
Methods: Here, we determined the gene expression profiles of the parasite population and the corresponding host peripheral blood mononuclear cells (PBMCs) from 21 children (
Results: Children with asymptomatic infections had a parasite transcriptional profile characterized by a bias toward trophozoite stage (~ 12 h-post invasion) parasites and low parasite levels, while early ring stage parasites were characteristic of febrile malaria. The host response of asymptomatic children was characterized by downregulated transcription of genes associated with inflammatory responses, compared with children with febrile malaria,. Interestingly, the host responses during febrile infections that followed an asymptomatic infection featured stronger inflammatory responses, whereas the febrile host responses from previously uninfected children featured increased humoral immune responses.
Conclusions: The priming effect of prior asymptomatic infection may explain the blunted acquisition of antibody responses seen to malaria antigens following natural exposure or vaccination in malaria endemic areas
Burkitt lymphoma research in East Africa : highlights from the 9th African organization for research and training in cancer conference held in Durban, South Africa in 2013
A one-day workshop on Burkitt lymphoma (BL) was held at the 9th African Organization for Research and Training in Cancer (AORTIC) conference in 2013 in Durban, South Africa. The workshop featured 15 plenary talks by delegates representing 13 institutions that either fund or implement research on BL targeting AORTIC delegates primarily interested in pediatric oncology. The main outcomes of the meeting were improved sharing of knowledge and experience about ongoing epidemiologic BL research, BL treatment in different settings, the role of cancer registries in cancer research, and opportunities for African scientists to publish in scientific journals. The idea of forming a consortium of BL to improve coordination, information sharing, accelerate discovery, dissemination, and translation of knowledge and to build capacity, while reducing redundant efforts was discussed. Here, we summarize the presentations and discussions from the workshop
Testis-specific glyceraldehyde-3-phosphate dehydrogenase: origin and evolution
<p>Abstract</p> <p>Background</p> <p>Glyceraldehyde-3-phosphate dehydrogenase (GAPD) catalyses one of the glycolytic reactions and is also involved in a number of non-glycolytic processes, such as endocytosis, DNA excision repair, and induction of apoptosis. Mammals are known to possess two homologous GAPD isoenzymes: GAPD-1, a well-studied protein found in all somatic cells, and GAPD-2, which is expressed solely in testis. GAPD-2 supplies energy required for the movement of spermatozoa and is tightly bound to the sperm tail cytoskeleton by the additional N-terminal proline-rich domain absent in GAPD-1. In this study we investigate the evolutionary history of GAPD and gain some insights into specialization of GAPD-2 as a testis-specific protein.</p> <p>Results</p> <p>A dataset of GAPD sequences was assembled from public databases and used for phylogeny reconstruction by means of the Bayesian method. Since resolution in some clades of the obtained tree was too low, syntenic analysis was carried out to define the evolutionary history of GAPD more precisely. The performed selection tests showed that selective pressure varies across lineages and isoenzymes, as well as across different regions of the same sequences.</p> <p>Conclusions</p> <p>The obtained results suggest that GAPD-1 and GAPD-2 emerged after duplication during the early evolution of chordates. GAPD-2 was subsequently lost by most lineages except lizards, mammals, as well as cartilaginous and bony fishes. In reptilians and mammals, GAPD-2 specialized to a testis-specific protein and acquired the novel N-terminal proline-rich domain anchoring the protein in the sperm tail cytoskeleton. This domain is likely to have originated by exonization of a microsatellite genomic region. Recognition of the proline-rich domain by cytoskeletal proteins seems to be unspecific. Besides testis, GAPD-2 of lizards was also found in some regenerating tissues, but it lacks the proline-rich domain due to tissue-specific alternative splicing.</p
A review of the frequencies of Plasmodium falciparum Kelch 13 artemisinin resistance mutations in Africa.
Artemisinin resistance (AR) emerged in South East Asia 13 years ago and the identification of the resistance conferring molecular marker, Plasmodium falciparum Kelch 13 (Pfk13), 7 years ago has provided an invaluable tool for monitoring AR in malaria endemic countries. Molecular Pfk13 surveillance revealed the resistance foci in the Greater Mekong Subregion, an independent emergence in Guyana, South America, and a low frequency of mutations in Africa. The recent identification of the R561H Pfk13 AR associated mutation in Tanzania, Uganda and in Rwanda, where it has been associated with delayed parasite clearance, should be a concern for the continent. In this review, we provide a summary of Pfk13 resistance associated propeller domain mutation frequencies across Africa from 2012 to 2020, to examine how many other countries have identified these mutations. Only four African countries reported a recent identification of the M476I, P553L, R561H, P574L, C580Y and A675V Pfk13 mutations at low frequencies and with no reports of clinical treatment failure, except for Rwanda. These mutations present a threat to malaria control across the continent, since the greatest burden of malaria remains in Africa. A rise in the frequency of these mutations and their spread would reverse the gains made in the reduction of malaria over the last 20 years, given the lack of new antimalarial treatments in the event artemisinin-based combination therapies fail. The review highlights the frequency of Pfk13 propeller domain mutations across Africa, providing an up-to-date perspective of Pfk13 mutations, and appeals for an urgent and concerted effort to monitoring antimalarial resistance markers in Africa and the efficacy of antimalarials by re-establishing sentinel surveillance systems
Epidemiology of intra-abdominal infection and sepsis in critically ill patients: “AbSeS”, a multinational observational cohort study and ESICM Trials Group Project
Purpose: To describe the epidemiology of intra-abdominal infection in an international cohort of ICU patients according to a new system that classifies cases according to setting of infection acquisition (community-acquired, early onset hospital-acquired, and late-onset hospital-acquired), anatomical disruption (absent or present with localized or diffuse peritonitis), and severity of disease expression (infection, sepsis, and septic shock). Methods: We performed a multicenter (n = 309), observational, epidemiological study including adult ICU patients diagnosed with intra-abdominal infection. Risk factors for mortality were assessed by logistic regression analysis. Results: The cohort included 2621 patients. Setting of infection acquisition was community-acquired in 31.6%, early onset hospital-acquired in 25%, and late-onset hospital-acquired in 43.4% of patients. Overall prevalence of antimicrobial resistance was 26.3% and difficult-to-treat resistant Gram-negative bacteria 4.3%, with great variation according to geographic region. No difference in prevalence of antimicrobial resistance was observed according to setting of infection acquisition. Overall mortality was 29.1%. Independent risk factors for mortality included late-onset hospital-acquired infection, diffuse peritonitis, sepsis, septic shock, older age, malnutrition, liver failure, congestive heart failure, antimicrobial resistance (either methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci, extended-spectrum beta-lactamase-producing Gram-negative bacteria, or carbapenem-resistant Gram-negative bacteria) and source control failure evidenced by either the need for surgical revision or persistent inflammation. Conclusion: This multinational, heterogeneous cohort of ICU patients with intra-abdominal infection revealed that setting of infection acquisition, anatomical disruption, and severity of disease expression are disease-specific phenotypic characteristics associated with outcome, irrespective of the type of infection. Antimicrobial resistance is equally common in community-acquired as in hospital-acquired infection
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