Circulation of human respiratory syncytial virus and new ON1 genotype in northern Viet Nam, 2017-2020.

Objective: Human respiratory syncytial virus (RSV) is a primary cause of paediatric severe acute respiratory infection (SARI) worldwide, especially in developing countries. We investigated the genetic characteristics of RSV in northern Viet Nam to determine the prevalence and distribution of subtypes as well as the diversity and transmission patterns of genotypes.

Methods: In two facilities, from January 2017 to December 2020, 1563 clinical specimens were collected from paediatric patients hospitalized with SARI and tested for RSV.

Assessing water quality in the Dong Nai River (Vietnam): implications for sustainable management and pollution control.

Dong Nai River provides essential water resources for millions of people across 11 provinces and cities in Vietnam. However, the different pollution sources such as household, farming, and industrial operations have caused the river water quality to deteriorate over the past decade. To gain a comprehensive understanding of the river's surface water quality, this study employed the water quality index (WQI) across 12 different sampling sites.

Double-shelling AgInSnanocrystals with GaS/ZnS to make them emit bright and stable excitonic luminescence.

This paper presents the successful synthesis of AgInSnanocrystals (NCs) double-shelled with GaSand ZnS for emitting bright and narrow excitonic luminescence from AgInScore NCs. Additionally, the AgInSGaS/ZnS NCs with a core/double-shell structure have demonstrated high chemical and photochemical stability. The AgInSGaS/ZnS NCs were prepared via three steps: (i) synthesis of AgInScore NCs by solvothermal method at 200 °C for 30 min, (ii) shelling GaSon AgInScore NCs at 280 °C for 60 min to produce the AgInS/GaScore/shell structure, and (iii) the outermost ZnS shelling at 140 °C for 10 min.

Systematic synthesis of different-sized AgInS/GaSnanocrystals for emitting the strong and narrow excitonic luminescence.

This paper presents for the first time the systematic synthesis of AgInS(AIS) nanocrystals (NCs) with different sizes of 2.6-6.8 nm just by controlling only the reaction temperature.

Assessment of farm households' perception, beliefs and attitude toward climatic risks: A case study of rural Vietnam.

Vietnam is one the most vulnerable region to climate change and extreme climatic events, such as flash floods and droughts. This present research aims to explore the farm households' beliefs, risk perception, adaptive attitude and climate change adaptation measures that they currently utilize in their farms to cope with climatic risks. Further, this study analyzed effect of climate change belief, awareness and adaptive attitudes on farmers' adaptive behavior.

Implementation of two policies to extend maternity leave and further restrict marketing of breast milk substitutes in Vietnam: a qualitative study.

Policy research can reveal gaps and opportunities to enhance policy impact and implementation. In this study, we use a theoretically informed qualitative approach to investigate the implementation of two policies to promote breastfeeding in Vietnam. We conducted semi-structured interviews with national and local policy stakeholders (n = 26) in 2017.

Can complex programs be sustained? A mixed methods sustainability evaluation of a national infant and young child feeding program in Bangladesh and Vietnam.

Background: Poor early-life nutrition is a major barrier to good health and cognitive development, and is a global health priority. Alive & Thrive (A&T) was a multi-pronged initiative to improve infant and young child feeding behaviors. It aimed to achieve at-scale child health and nutrition improvements via a comprehensive approach that included nutrition counseling by health workers, policy change, social mobilization and mass media activities.

Missed detections of influenza A(H1)pdm09 by real-time RT-PCR assay due to haemagglutinin sequence mutation, December 2017 to March 2018, northern Viet Nam.

Introduction: There are two methods of reverse transcription polymerase chain reaction (RT-PCR) that have been the common methods to detect influenza infections: conventional and real-time RT-PCR. From December 2017 to March 2018, several missed diagnoses of influenza A(H1)pdm09 using real-time RT-PCR were reported in northern Viet Nam. This study investigated how these missed detections occurred to determine their effect on the surveillance of influenza.

C-Plasma of Hierarchical Graphene Survives SnS Bundles for Ultrastable and High Volumetric Na-Ion Storage.

Tin and its derivatives have provoked tremendous progress of high-capacity sodium-ion anode materials. However, achieving high areal and volumetric capability with maintained long-term stability in a single electrode remains challenging. Here, an elegant and versatile strategy is developed to significantly extend the lifespan and rate capability of tin sulfide nanobelt electrodes while maintaining high areal and volumetric capacities.