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\n \n\n \n\n \nPosted 16/06/2023. The decline of malaria in Southeast Asia means other causes of fever are increasingly relevant, but often undiagnosed. Deployment of novel point-of-care tests for acute febrile illnesses in primary care settings is feasible if tests are user-friendly, well-selected for local pathogens, accompanied by disease-specific education, and have simple management algorithms. By Thomas Peto and Bipin Adhikari
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\n \n\n \n\n \nPosted 14/06/2023. This scoping review, led by Raph Hamers with WHO, aggregated knowledge gaps in antimicrobial resistance in bacteria, including TB, and fungi: 2340 knowledge gaps were consolidated into 177 thematic research questions across 14 AMR areas. The findings informed research priorities in the novel WHO AMR Global Research Agenda for human health.
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\n \n\n \n\n \nPosted 08/06/2023. Richard Maude and colleagues investigated dengue in Myanmar, focusing on its epidemiology, association with climate, and short-term prediction. Dengue was observed to be widespread across the country, with an increasing spatial reach. Incidence was influenced by climate factors, but varied across different regions. Utilizing time series analysis, researchers also forecasted dengue incidence one month ahead at subnational levels. The findings highlight the potential of spatiotemporal modelling to quantify risk factor associations and generate short-term predictions, assisting in intervention planning.
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\n \n\n \n\n \nPosted 26/05/2023. In a recent study from Angkor Hospital for Children, Paul Turner and colleagues recruited over 2,000 Cambodian children with clinical pneumonia in the first three years following pneumococcal conjugate vaccine (PCV13) introduction nationally. PCV13 vaccinated children were less likely to have severe presentations, i.e. x-ray confirmed or hypoxic pneumonia, compared to non-vaccinated children.
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\n \n\n \n\n \nPosted 23/05/2023. Napat Khirikoekkong, Supa-at Asarath, Phaik Yeong Cheah, and colleagues analyse how the socio-cultural norm of Arr-nar or Kreng-jai influences the research experiences of individuals taking part in research on the Thai-Myanmar border. Arr-nar (in Burmese/Karen) or Kreng-jai (in Thai) encompasses multiple meanings including consideration for others and graciousness.
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\n \n\n \n\n \nPosted 10/05/2023. Although yellow fever vaccine provides a lifelong protection to most people, little research was done on HIV population. Josephine Bendera and colleagues evaluate the immunogenicity of fractional and standard doses of yellow fever vaccine on the HIV population. They demonstrate that fractional doses of vaccine are safe, effective and immunologically non inferior to standard doses in HIV-infected individuals.
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\n \n\n \n\n \nPosted 09/05/2023. Implementation of evidence-based newborn care interventions in low-resource settings works! Very and moderate preterm neonatal mortality reduced by 68% and 53% between 2008-2017 in refugees and migrants. Find out how Ahmar Hashmi, Verena Carrara, Rose McGready and SMRU colleagues achieved this.
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\n \n\n \n\n \nPosted 02/05/2023. The \u2018Antibiotic footprint\u2019 concept supports a global reduction in antibiotic overuse. In this paper, Direk Limmathurotsakul and colleagues describe \u2018antibiotic footprint calculator\u2019, an open-access, web-based application that lets anyone calculate how different individual decisions can reduce or increase their own personal antibiotic footprint.
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\n \n\n \n\n \nPosted 25/04/2023. Providing tuberculosis patients with optimal and timely treatment depends on rapid drug resistance diagnosis. Nguyen Thuy Thuong Thuong and colleagues applied a genome editing method and successfully detected drug resistance directly from sputum with 93.7% concordance to the standard phenotypic drug test, which potentially speeds up drug resistance diagnosis in tuberculosis and other infectious diseases.
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\n \n\n \n\n \nPosted 21/04/2023. Tuberculous meningitis kills around 25% of sufferers. New antimicrobial and adjunctive anti-inflammatory agents offer an unparalleled opportunity to reduce mortality. But small trials, testing single interventions, are unlikely to transform outcomes. Guy Thwaites and colleagues therefore propose a global platform trial in adults and children with tuberculous meningitis that will investigate multiple interventions at scale and at speed.
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\n \n\n \n\n \nPosted 19/04/2023. Lizah Nyawira and colleagues examined how health sector coordination influences the efficiency of the Kenyan health system. The study found that duplication, fragmentation, and misalignment of functions compromised coordination. This compromised efficiency by increasing transaction costs, impairing the implementation of health programs with negative impacts on health system performance.
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\n \n\n \n\n \nPosted 18/04/23. Dr Anh and colleagues investigated the evolution of SARS-CoV-2 in Vietnam, 2021. The Alpha and Delta variants were the responsible viruses. The Delta variant was confined to AY.57 lineage, likely via a single introduction, causing over 1.7 million infections and more than 32,000 deaths. Viral transmission was strongly affected by non-pharmaceutical interventions.
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\n \n\n \n\n \nPosted 14/04/2023. Angela Moturi and colleagues investigate the accuracy of routine data in assessing rapid diagnostic test availability for enhancing healthcare accessibility in Kenya. They address concerns over non-reporting of data by triangulating information from routine systems and a health facility survey. Contrary to expectations, the study finds that non-reporting persists despite established capacity.
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\n \n\n \n\n \nPosted 12/04/2023. There are now 9 recognised lineages of Mycobacterium tuberculosis, with 1-4 being found most widely around the world. Lineage 4 is understood to have emerged in Europe and been introduced into Asia through trade and colonisation. Timothy Walker and colleagues have identified that relatively unique sub-lineages of lineage 4 have however been circulating between south-east Asian countries since being introduced, possibly with China serving as a conduit from Europe. This leads to the hypothesis that there may have been host population-specific evolution of lineage 4 in south-east Asia.
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\n \n\n \n\n \nPosted 24/03/23. Lynne Elson of KEMRI-Wellcome Trust and colleagues used thermography to help define a new disease severity classification for tungiasis (sand flea disease). In the process they found when children spent many months at home during COVID-19 school closures, the prevalence and severity of tungiasis increased.
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\n \n\n \n\n \nPosted 21/03/23. A collaborative study between Abdirahman Abdi's lab at KEMRI-Wellcome Trust, Kenya, and Prof Marti\u2019s Lab of Glasgow University, UK, has characterised the human environmental factors that drive malaria parasites, Plasmodium falciparum to invest into the transmission to the next host or continued replication within the current host to maximise survival.
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\n \n\n \n\n \nPosted 15/03/2023. In this systematic review, Abdulazeez Imam and colleagues summarise the evidence on missed nursing care in low-income and middle-income countries (LMIC). Missed nursing care undermines nursing standards of care, and minimising this phenomenon is crucial to maintaining adequate patient safety and the quality of patient care. The concept remains understudied in LMIC settings which have 90% of the global nursing workforce shortages.
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\n \n\n \n\n \nPosted 10/03/2023. Timo Tolppa and CCAA colleagues conducted a qualitative study across 4 South Asian countries to understand the implementation of a critical care registry, which is used to enable quality improvement and research. Implementation was possible due to motivated champions, a supportive community of practice and efforts to fit the registry with existing practice.
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\n \n\n \n\n \nPosted 08/03/2023. Research ethics struggles in practice to adequately account for and respond to the agency and autonomy of people considered vulnerable in the research context. Jennifer Roest and colleagues discuss some of the core concepts and critiques emerging from the literature on women and children's agency in under-resourced settings.
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\n \n\n \n\n \nPosted 07/03/2023. Understanding the Glucose-6-Phosphate Dehydrogenase (G6PD) activity of vivax patients is critical for the appropriate choice of radical cure regimens for vivax malaria. Village malaria workers (VMWs) in rural Cambodia are frequently the first and only health care providers for malaria patients but lack G6PD diagnostics. Bipin Adhikari and colleagues found that after training VMWs can use biosensors to assess G6PD activity just as well as laboratory technicians.
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\n \n\n \n\n \nPosted 03/03/2023. Nadia Tagoe, Sassy Molyneux and colleagues conducted a case study involving three health research capacity strengthening (HRCS) consortia to critically examine their decision-making processes, strategies for resolving management tensions and potential implications for consortia outcomes. The researchers propose an evidence-informed management framework for consortia leaders to use to support decision-making to optimise research capacity gains.
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\n \n\n \n\n \nPosted 28/02/2023. Researchers from Heidelberg and Oxford worked with partners from eight countries across Asia and Latin America to develop an algorithm to improve early diagnosis of dengue; simple clinical and laboratory variables were collected daily from 5189 patients presenting with undifferentiated fever, among whom 2694 were subsequently confirmed to have dengue. Results will help to improve case management and use of limited resources in dengue-endemic areas. By Ronald Geskus
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\n \n\n \n\n \nPosted 17/02/2023. Low awareness of antibiotics and antibiotic resistance may lead to inappropriate antibiotic use and contribute to the problem of antibiotic resistance. Sonia Lewycka and colleagues found that most people in a rural community in northern Vietnam had heard of antibiotics, but practical knowledge about antibiotics and antibiotic resistance was limited. Type of health facility, distance from health facility, media use, and health information sources were associated with knowledge.
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\n \n\n \n\n \nPosted 10/02/2023. Over 97% of primary care patients with acute respiratory infections are prescribed antibiotics, and children under 5-years old are more likely to be prescribed antibiotics with higher resistance potential. This study in northern Vietnam by Nam Nguyen Vinh, Sonia Lewycka and colleagues highlights the urgent need for antimicrobial stewardship interventions in primary care settings.
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\n \n\n \n\n \nPosted 08/02/2023. Dr Anh used metagenomics to whole-genome sequence monkeypox virus in 2 women with mpox returning to Vietnam from the United Arab Emirates. The viruses belonged to an emerging sublineage, A.2.1, distinct from B.1 which is responsible for the ongoing multicountry outbreak. Enhanced genomic surveillance is needed to clarify pathogen evolution.
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\n \n\n \n\n \nPosted 07/02/2023. Rachel Greer and team in Chiangrai, Thailand found that the challenges research participants face in their daily lives, such as, language barriers and limited access to healthcare can influence their experiences of taking part in research. Researchers need to be responsive towards these specific vulnerabilities in order to reduce the burdens and maximize the benefits of research for participants.
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\n \n\n \n\n \nPosted 03/02/2023. As societies become increasingly diverse, understanding the complex nature of racism for multiple ethnic, social, and economic identities is required. Sonia Lewycka and colleagues in New Zealand showed that indigenous and minority experiences of racism are heterogeneous, and flexible resources such as wealth and perceived whiteness can mitigate against some forms of systemic and interpersonal racism.
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\n \n\n \n\n \nPosted 24/01/2023. Snakebite is a priority NTD that causes 94,000 deaths each year and many more cases of severe disability. In research led by PhD student Michael Abouyannis at KWTRP and LSTM, global academics, policy makers, and the Kilifi snakebite patient group developed a globally relevant set of core outcome measures to support future clinical trials.
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\n \n\n \n\n \nPosted 17/01/2023. PLOS Global Public Health features a blog on The Global Health Network Conference 2022 that took place at the University of Cape Town, South Africa from 24 \u2013 25 November 2022. The theme of the conference was Enabling Health Research in Every Healthcare Setting and 10 Years of addressing inequity in where research happens, who leads and who benefits. There were almost 900 abstract submissions and researchers, clinicians, practitioners, donors, and policymakers from across the world attended.
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\n \n\n \n\n \nPosted 13/01/2023. Nancy Kagwanja and colleagues highlight the influence of social norms, structures, and actor power practices on responsiveness. Power practices were rooted in actors\u2019 lived experiences which included social and organizational power relationships, personal characteristics, and worldviews. Our findings emphasize the need to consider actors\u2019 lived experiences when intervening to strengthen responsiveness.
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\n \n\n \n\n \nPosted 11/01/2023. A collaborative work between the Hanoi Medical University, UCLA, and OUCRU, showed no evidence of circulation of monkeypox virus among men who have sex with men attending a sexual health clinic in Hanoi, Vietnam in 2022. So far, the single case of monkeypox described in Vietnam was imported. By Thomas Kesteman
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\n \n\n \n\n \nPosted 23/12/2022. December 2022 sees two notable anniversaries: the 200th anniversary of the birth of Louis Pasteur and the third anniversary of China's announcement of the COVID-19 outbreak. On these coinciding events, Phaik Yeong Cheah and colleagues reflect on past and current global challenges to bring epidemics under control.
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\n \n\n \n\n \nPosted 22/12/2022. On Jan 27, 2022, WHO recommended a moratorium on the deployment of rectal artesunate suppositories for severe malaria and in doing so stopped the roll-out of a lifesaving intervention. The decision is based on data from a large demonstration project CARAMAL. Lorenz von Seidlein discusses the project and its consequences with two leaders of the project in a point- counterpoint published in the Lancet infectious Diseases.
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\n \n\n \n\n \nPosted 20/12/2022. Tan and colleagues showed that booster vaccination by BNT162b2 induced cross-neutralizing activities against Omicron variant sub-lineages BA.1 and BA.2 in Vietnamese health care workers completing primary immunization with ChAdOx1-S. These responses however significantly reduced at month 3 post booster doses. The need for a second booster merits further research.
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\n \n\n \n\n \nPosted 20/12/2022. G6PD deficiency is a major risk factor for severe neonatal jaundice among neonates born at the Thailand-Myanmar border. Early identification of G6PD deficiency can dramatically improve clinical care. In this study Germana Bancone and colleagues showed that a new point-of-care quantitative G6PD test used by trained midwives can reliably identify neonates with abnormal G6PD at birth.
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\n \n\n \n\n \nPosted 16/12/2022. Radical cure of vivax malaria with primaquine requires testing for glucose-6-phosphate dehydrogenase deficiency, which is currently not provided at the community level in Cambodia. In this article, Bipin Adhikari and colleagues describe the core components needed for implementing radical cure at the community, which will increase coverage important for rapid vivax malaria elimination.
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\n \n\n \n\n \nPosted 14/12/2022. Malaria outbreaks can be driven by genetic selection rather than environmental or behavioural causes. Varanya Wasakul, Olivo Miotto and colleagues investigated a Plasmodium falciparum outbreak in Attapeu, Laos, in 2020-2021, using genomic epidemiology methods to elucidate parasite population dynamics, identify the outbreak\u2019s causes and reconstruct the origin of the circulating strains.
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\n \n\n \n\n \nPosted 13/12/2022. Pregnant women in sub-Saharan Africa experience the highest levels of maternal mortality and stillbirths due to predominantly avoidable causes. However, Antenatal care (ANC) can prevent, detect, alleviate, or manage these causes. To inform planning, Peter Macharia and colleagues modelled ANC4+ coverage stratified by household wealth, maternal education, and spatial access to healthcare in East Africa.
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\n \n\n \n\n \nPosted 09/12/2022. Community-onset bloodstream infections caused by multidrug resistant Enterobacter cloacae complex (ECC) species are increasing, underscoring their potential emerging role. This study by Abhilasha Karkey and colleagues elucidated detailed genomic epidemiology of ECC isolates showing complex transmission dynamics within the community. Genomic evidence of resistance to several major antimicrobial classes including carbapenems was detected.
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\n \n\n \n\n \nPosted 07/12/2022. In this real-world cohort study in Indonesia, Raph Hamers and colleagues found high antibody responses and good tolerability of a heterologous, full-dose mRNA-1273 (Moderna) booster after two doses of inactivated vaccine (CoronaVac) in healthcare workers in Indonesia, with and without previous SARS-CoV-2 infection, including in those who had very low antibody levels.
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\n \n\n \n\n \nPosted 06/12/2011. Scrub typhus is an important cause of febrile illness in Laos. Ivo Elliott and colleagues collected, identified and tested small mammals hosts and vector chigger mites for Orientia tsutsugamushi, the causative pathogen. A single pool of chiggers tested PCR positive and 16/52 (31%) of small mammals were seropositive. These are the first molecular and serological data on O. tsutsugamushi in vectors and non-human hosts from Laos.
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\n \n\n \n\n \nPosted 02/12/22. PhD research from Vu Thi Ngoc Bich at OUCRU Hanoi (with NIHE, Radboud and Maastricht University) on samples from our longitudinal community cohort in Ha Nam, Vietnam, shows that frequent antibiotic exposure may push microbiota to different steady state that is less diverse but more resilient to disruption by subsequent antibiotic use.
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\n \n\n \n\n \nPosted 29/11/22. Makoto Saito and colleagues evaluated the fetal safety of antimalarials in the first trimester of pregnancy. Pregnant women who were treated with artemisinin-based combination therapy (ACT) in the first trimester had fewer fetal losses and congenital anomalies than quinine-treated women. Updated WHO guidelines recommend ACT, particularly artemether-lumefantrine, for all trimesters.
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\n \n\n \n\n \nPosted 22/11/2022. Who owns individual-level health data collected from health research and clinical care? In this paper Phaik Yeong Cheah and Jan Piasecki argues that neither public ownership nor private ownership will allow us to resolve all the problems associated with effective, equitable, and ethical use of data.
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\n \n\n \n\n \nPosted 16/11/2022. In this qualitative study, Jennifer Van Nuil and colleagues explored care seeking and treatment experiences for participants enrolled in hepatitis C clinical trials in Ho Chi Minh City, Vietnam. They found that experiences included the following themes: navigating uncertainty, proactivity in the face of challenges, living in fear with faith, and dynamic support systems.
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\n \n\n \n\n \nPosted 11/11/2022. In this study, Timothy Tuti and colleagues discuss the characteristics of a neonatal inpatient dataset from a network of Kenyan hospitals that allows for exploration of trends in performance and could support better impact evaluation, exploration of links between health system inputs and outcomes, and scrutiny of variation in quality of hospital care.
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\n \n\n \n\n \nPosted 09/11/2022. Abdul Imam and colleagues studied the effect on the quality of patient care of prospectively adding extra nursing staff to newborn units in a resource constrained LMIC setting in Kenya and described the relationship between staffing and quality of care.
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\n \n\n \n\n \nPosted 21/10/2022. Amodiaquine is an important antimalarial widely used for the treatment and prevention of malaria, protecting millions of African children every year. Xin Hui Chan and colleagues characterised the concentration-dependency of the bradycardic, hypotensive, and QT-prolonging effects of amodiaquine and its active metabolite desethylamodiaquine in clinical and pre-clinical studies, providing evidence of their causal role.
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\n \n\n \n\n \nPosted 18/10/2022. Trust is perhaps the most frequently attributed element in decision making for vaccine uptake. But what is trust, and how does it affect vaccine decision? In this qualitative review, Bipin Adhikari and colleagues explored how decisions on vaccine uptake are made, the role of trust and ways to build it.
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\n \n\n \n\n \nPosted 07/10/2022. G6PD measurement is critical before including primaquine or tafenoquine in the treatment for vivax malaria. Bipin Adhikari and colleagues explored whether first line health care providers can safely handle G6PD biosensors in the rural Cambodia. Our findings suggest that the radical cure for vivax malaria can be safely administered at the point of first contact, thus preventing relapse and continued transmission in a much larger population than through hospital based management.
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