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The Faculty of Tropical Medicine (FTM), Mahidol University, Thailand hosted a Congratulations party to honour Professor Sir Nicholas J. White, FRS, OBE on the occasion of his receiving Knight Commander of the Order of St. Michael and St. George from the United Kingdom for services to Tropical Medicine and Global Health.
Factors associated with positive blood cultures in children in nine African and Asian countries: the ACORN2 surveillance network
Posted 07/11/2025. Blood culture (BC) yield is low in children. Cristina Ardura-Garcia and colleagues used data from ACORN2, a surveillance network including 19 African and Asian hospitals, to identify routinely collected and readily available factors associated with BC positivity in hospitalised children. These findings may optimise BC indications in children in LMICs.
How should health researchers advance health equity?
Posted 05/11/2025. In tnis commentary. Phaik Yeong Cheah and Michael Parker outline ways in which health researchers can advance health equity. They focus on often-overlooked areas, including identifying context-specific drivers of inequity, carefully selecting research questions and priorities, engaging stakeholders, including those whose voices are seldom heard, improving diversity and inclusiveness among study participants, and using equity-oriented study designs.
Stakeholder analysis for ‘One Health’ approach to tackle antimicrobial resistance
Posted 04/11/2025. The varied understanding of stakeholder engagement often limits its effective use. In their BMJ Global Health analysis, Bipin Adhikari and colleagues draw lessons from Nepal to show how applying stakeholder analysis through a 'One Health' approach can bridge sectors, clarify roles, and strengthen collective action against antimicrobial resistance (AMR).
Optimal gestational weight gain and pregnancy outcomes, by BMI and height, in a marginalised population of women with short stature living along the Thailand-Myanmar border: A retrospective cohort, 2004–2023
Posted 21/10/2025. Pregnancy guidelines are frequently derived from populations in high income countries. International gestational weight gain guidelines are based on taller populations from North America and Western Europe. Mary Gouws, Rose McGready and SMRU colleagues suggest that lower weight gain during pregnancy in women with short stature on the Thailand-Myanmar border is associated with optimal outcomes.
Antiviral efficacy of oral ensitrelvir versus oral ritonavir-boosted nirmatrelvir in COVID-19 (PLATCOV): an open-label, phase 2, randomised, controlled, adaptive trial
Posted 27/10/2025. Ensitrelvir shows strong antiviral activity against COVID-19 in first head-to-head comparison with Paxlovid. In the PLATCOV phase 2 trial, ensitrelvir accelerated SARS-CoV-2 clearance by 82% versus no treatment and was only slightly slower than Paxlovid. Both drugs were well tolerated although bad taste was much less frequent with ensitrelvir. The study supports ensitrelvir as an effective, once-daily oral COVID-19 antiviral alternative. By William Schilling.
Identification and pathogen screening of ectoparasites from companion animals in urban Vientiane, Lao PDR
Posted 29/10/2025. Vanheuang Phommadeechack and colleagues examined the prevalence of zoonotic pathogens within ectoparasites found on dogs and cats in Vientiane, Laos. Fleas and ticks carried Rickettsia and Anaplasmataceae, seen as potential human pathogens. This highlights risks of zoonotic infections and the need for vector control strategies with companion animals, supporting public health and awareness.
Plasma folate dynamics in Plasmodium falciparum-infected African children treated with artemisinin combination therapy and single low-dose primaquine or placebo
Posted 20/10/2025. In 408 falciparum-infected under-5 African children treated with single low dose primaquine (SLDPQ) or placebo plus dihydroartemisinin piperaquine, plasma folate dynamics followed those of haemoglobin with an initial fall followed by a rise and were unaffected by SLDPQ or G6PD status. This research provides more evidence of the safety of SLDPQ. By Bob Taylor
Engagement with migrant communities at the Thai-Myanmar border: Lessons learnt from a community advisory board
Posted 26/09/2025. Supa-at Asarath, Napat Khirikoekkong, Phaik Yeong Cheah, and colleagues reflects on engagement with the Tak Province Community Ethics Advisory Board (T-CAB), established in 2009 on the Thai-Myanmar border, capturing views from members on their involvement in health and research topics, their motivations, benefits, and challenges. Findings show how T-CAB improves research ethics, design, and community trust.
A just war on bugs? Ethical differences between antimalarial resistance and antibacterial resistance
Posted 15/08/2025. In this commentary, Phaik Yeong Cheah and colleagues argue that antimalarial resistance and antibacterial resistance raise distinct ethical considerations. Unlike antibacterial resistance, mitigating antimalarial resistance has well-defined goals and does not involve environmental factors or the use of livestock. These differences make it clear that not all microbes should be addressed in the same way, and that interventions must be tailored accordingly.
Comparative virulence analysis of seven diverse strains of Orientia tsutsugamushi reveals a multifaceted and complex interplay of virulence factors responsible for disease
Posted 17/07/2025. Scrub typhus, caused by Orientia tsutsugamushi, varies in severity depending on the bacterial strain. Jeanne Salje and colleagues compared seven strains in mice and found no single predictor of virulence. Instead, disease severity results from multiple bacterial genes influencing immune responses. These findings could inform future vaccine development and diagnostics.
Single low dose primaquine to block the transmission of Plasmodium falciparum—proposed stand-alone and ACT-adapted regimens
Posted 16/07/2025. At long last and almost 13 years since the WHO recommendation, we now have evidenced-based regimens of single low dose primaquine to block the transmission of Plasmodium falciparum and help eliminate artemisinin and partner drug resistant malaria which is currently spreading rapidly across eastern Africa and beyond. By Bob Taylor
Why should we be concerned by internalised racism in global health?
Posted 15/07/2025. Internalised racism is an overlooked concept that can shape how professionals from historically marginalised backgrounds see themselves within global health. This essay by Bipin Adhikari and colleagues offers a space for reflection on how deep-rooted racial hierarchies may quietly influence identity, behaviour, and institutional culture. Advancing equity in global health also means understanding how these patterns take hold within us.
Optimization of heat inactivation protocols for Orientia and Rickettsia species
Posted 30/07/2025. Stuart Blacksell and colleagues evaluated heat inactivation of Orientia tsutsugamushi, Rickettsia typhi, R. conorii, and R. honei at 56 °C, 80 °C, and 90 °C for varying times. All were inactivated at 56 °C for 5 minutes. O. tsutsugamushi showed greater reduction, with time–temperature effects differing by species, highlighting important pathogen‑specific heat‑treatment requirements for biosafety purposes.
Over the counter use of topical corticosteroid for skin conditions among patients before attending skin specialist clinic in Nepal: A qualitative study
Posted 29/07/2025. Why do many patients arrive at skin clinics only after their conditions worsen, despite early treatment? This study from Nepal reveals how over-the-counter steroid use, informal networks, convenience, and customary practices shape care-seeking for skin conditions. These factors also mirror patterns seen in over-the-counter antimicrobial use. By Bipin Adhikari.
Risk factors and mitigation strategies of laboratory-acquired infections in research and clinical laboratories worldwide: a systematic review
Posted 01/08/2025. Causes of laboratory‑acquired infections and pathogen escapes are often under‑reported. A review from 2000–2024 identified 712 cases and 17 deaths. Common incidents included needlestick injuries and PPE failures. Research laboratories reported more decontamination issues, while clinical laboratories faced sample‑handling risks. These findings support targeted improvements in laboratory risk management practices. By Sandhya Dhawan
Hide and seek with falsified medicines: Current challenges and physico-chemical and biological approaches for tracing the origin of trafficked products
Posted 28/05/2025. The trade in falsified medical products is a major public health threat and also a huge, profitable business. Despite detection methods, tracing their origin remains difficult. Cathrin Hauk and colleagues explore analytical techniques adapted from other fields such as food, drug, and wildlife investigation to help identify their sources and empower enforcement efforts.
Genetic surveillance of Plasmodium falciparum populations following treatment policy revisions in the Greater Mekong Subregion
Posted 27/05/2025. The GenRe-Mekong project analysed 5,982 Plasmodium falciparum samples in the Greater Mekong Subregion (2017–2022), using genetic surveillance to inform malaria control. A sharp decline in piperaquine-resistant strains followed drug policy changes, highlighting how real-time genetic data can support timely, evidence-based responses to shifting malaria threats. By Varanya Wasakul
Operational evaluation of the deployment of Malaria/CRP Duo and Dengue Duo rapid diagnostic tests for the management of febrile illness by village malaria workers in rural Cambodia
Posted 23/05/2025. Village malaria workers in rural Cambodia provide essential early diagnosis and treatment; however, their importance is diminishing following a significant decline in malaria. James Callery and colleagues explore the potential expansion of their roles to ensure that febrile patients continue to utilise their services until local malaria elimination is achieved and the risk of reimportation subsides.
A comparison of national seasonal influenza treatment guidelines across the Asia Pacific region
Posted 21/05/2025. Seasonal influenza remains a major health burden in Asia. Our new comparative analysis reviews national influenza treatment guidelines across Asia Pacific countries, finding significant variation in availability, rigour, and recommendations. Our findings reveal key opportunities to strengthen evidence-informed, systematic guideline development as part of national and regional influenza preparedness and response. By Ellen Beer.
The impact of mass screening and treatment interventions on malaria incidence and prevalence: a retrospective analysis of a malaria elimination programme in eastern Myanmar, and systematic review and meta-analysis
Posted 20/05/2025. Targeted interventions are often necessary to eliminate malaria, but some are more effective than others. Jade Rae and colleagues investigated the impact of village-level mass screening and treatment interventions, highlighting key factors that influence the effectiveness of targeted malaria interventions, including baseline endemicity, population demographics, and the timing and uptake of the intervention.