Nepali oral microbiomes reflect a gradient of lifestyles from traditional to industrialized.

Background: Lifestyle plays an important role in shaping the gut microbiome. However, its contributions to the oral microbiome remain less clear, due to the confounding effects of geography and methodology in investigations of populations studied to date. Furthermore, while the oral microbiome seems to differ between foraging and industrialized populations, we lack insight into whether transitions to and away from agrarian lifestyles shape the oral microbiota.

Household preparedness for emergencies during COVID-19 pandemic among the general population of Nepal.

The COVID-19 pandemic has negatively impacted the global economy affecting numerous people's livelihoods. Despite preventive behaviors and advancements of vaccination, the risk of infection still exists due to the emergence of new variants of concern and the changing behavior of the SARS CoV-2 virus. Therefore, preparedness measures are crucial for any emergency.

Molecular epidemiology of multidrug-resistant Acinetobacter baumannii isolates from a hospital in Nepal.

Objectives: The emergence of multidrug-resistant (MDR) Acinetobacter baumannii has become a serious worldwide medical problem. This study was designed to clarify the genetic and epidemiological properties of MDR A. baumannii clinical isolates.

Nepali oral microbiomes reflect a gradient of lifestyles from traditional to industrialized.

Background: Lifestyle plays an important role in shaping the gut microbiome. However, its contributions to the oral microbiome remains less clear, due to the confounding effects of geography and methodology in investigations of populations studied to date. Furthermore, while the oral microbiome seems to differ between foraging and industrialized populations, we lack insight into whether transitions to and away from agrarian lifestyles shape the oral microbiota.

Validation and application of high-throughput quantitative PCR for the simultaneous detection of microbial source tracking markers in environmental water.

No single microbial source tracking (MST) marker can be applied to determine the sources of fecal pollution in all water types. This study aimed to validate a high-throughput quantitative polymerase chain reaction (HT-qPCR) method for the simultaneous detection of multiple MST markers. A total of 26 fecal-source samples that had been previously collected from human sewage (n = 6) and ruminant (n = 3), dog (n = 6), pig (n = 6), chicken (n = 3), and duck (n = 2) feces in the Kathmandu Valley, Nepal, were used to validate 10 host-specific MST markers, i.

Multidrug-resistant Klebsiella pneumoniae clinical isolates producing NDM- and OXA-type carbapenemase in Nepal.

Objectives: The emergence of multidrug-resistant Klebsiella pneumoniae has become a serious problem in medical settings worldwide.

Methods: A total of 46 isolates of multidrug-resistant K. pneumoniae were obtained from 2 hospitals in Nepal from October 2018 to April 2019.

Impact of topical applications of sunflower seed oil on neonatal mortality and morbidity in southern Nepal: a community-based, cluster-randomised trial.

Introduction: Hospital-based studies have demonstrated topical applications of sunflower seed oil (SSO) to skin of preterm infants can reduce nosocomial infections and improve survival. In South Asia, replacing traditional mustard with SSO might have similar benefits.

Methods: 340 communities in Sarlahi, Nepal were randomised to use mustard oil (MO) or SSO for community practice of daily newborn massage.

Evaluating acute gastroenteritis-causing pathogen reduction in wastewater and the applicability of river water for wastewater-based epidemiology in the Kathmandu Valley, Nepal.

Rapid urbanization and population growth without the implementation of proper waste management are capable of contaminating water sources, which can lead to acute gastroenteritis. This study examined the detection and reduction of five gastroenteritis-causing enteropathogens, Salmonella, Campylobacter coli, Campylobacter jejuni, Clostridium perfringens, and genogroup IV norovirus, and one respiratory pathogen, influenza A virus, in two municipal wastewater treatment plants (WWTP) using an oxidation ditch system (WWTP A; n = 20) and a stabilization pond system (WWTP B; n = 18) in the Kathmandu Valley, Nepal, collected between August 2017 and August 2019. All enteropathogens were detected in wastewater via quantitative PCR.

Climate change and infectious disease surveillance in Nepal: qualitative study exploring social, cultural, political and institutional factors influencing disease surveillance.

Background: To explore the impacts of contextual issues encompassing social, cultural, political and institutional elements, on the operation of public health surveillance systems in Nepal concerning the monitoring of infectious diseases in the face of a changing climate.

Methods: Semi-structured interviews (n = 16) were conducted amongst key informants from the Department of Health Services, Health Information Management System, Department of Hydrology and Meteorology, World Health Organization, and experts working on infectious disease and climate change in Nepal, and data were analysed using thematic analysis technique.

Results: Analysis explicates how climate change is constructed as a contingent risk for infectious diseases transmission and public health systems, and treated less seriously than other 'salient' public health risks, having implications for how resources are allocated.

Persistence of immunity following a single dose of inactivated poliovirus vaccine: a phase 4, open label, non-randomised clinical trial.

Background: The polio eradication endgame required the withdrawal of Sabin type 2 from the oral poliovirus vaccine and introduction of one or more dose of inactivated poliovirus vaccine (IPV) into routine immunisation schedules. However, the duration of single-dose IPV immunity is unknown. We aimed to address this deficiency.

Bacteriological Profile of Surgical Site Infection Following Gastrointestinal Surgery and Their Antibiogram.

Background: Surgical site infection is one of the common complication following abdominal surgery. It causes great morbidity and mortality, further increasing prevalence of multidrug resistant bacteria have made its management very challenging. The current study aims to identify causative agent responsible for surgical site infection and their antibiotic resistance patterns.

Knowledge, attitudes and practices (KAP) on COVID-19 among the general population in most affected districts of Nepal.

The COVID-19 pandemic has become one of the global health challenges in the current context. In Nepal, the first confirmed case was reported on 23 January 2020, and since then, it has resulted in several negative impacts, including economic disruption and deterioration of physical and mental health. In such a pandemic, it is indispensable to understand the knowledge and behavioral patterns of the general population regarding COVID-19.

Prevalence and determinants of hypertension in underrepresented indigenous populations of Nepal.

Indigenous populations residing in low- and middle-income countries (LMICs) are highly underrepresented in medicine and public health research. Specifically, data on non-communicable diseases (NCDs) from indigenous populations remains scarce. Despite the increasing burden of NCDs in the Himalayan region, their prevalence in many indigenous populations remains understudied.

Prevalence of antibiotic resistance genes in drinking and environmental water sources of the Kathmandu Valley, Nepal.

Antibiotic-resistant bacteria-associated infections are responsible for more than 1.2 million annual deaths worldwide. In low- and middle-income countries (LMICs), the consumption of antibiotics for human and veterinary uses is not regulated effectively.

Stenotrophomonas maltophilia from Nepal Producing Two Novel Antibiotic Inactivating Enzymes, a Class A β-Lactamase KBL-1 and an Aminoglycoside 6'--Acetyltransferase AAC(6')-Iap.

Seven drug-resistant strains of Stenotrophomonas maltophilia were isolated from patients at two university hospitals in Nepal. S. maltophilia JUNP497 was found to encode a novel class A β-lactamase, KBL-1 (Kathmandu β-lactamase), consisting of 286 amino acids with 52.

Circulating Genotypes of Rotavirus Prior to Rotarix?vaccine Introduction in Kathmandu, Nepal.

Background: In Nepal, it is estimated that about 3 million children under 5 years of age are prone to diarrhea and previous studies have shown rotavirus as the major etiological agent. Given the high burden of rotavirus, Rotarix® vaccine was introduced in the national immunization schedule in July 2020. This study was carried out in a tertiary health center from January- September 2018 to determine the burden of rotavirus diarrhea as well as genotypic variations in the circulating virus prior to vaccine introduction in Kathmandu, Nepal.

Emergence of a highly colistin-resistant Aeromonas jandaei clinical isolate harbouring four genes encoding phosphoethanolamine transferases in Nepal.

Objectives: This study aimed to describe a clinical isolate of Aeromonas jandaei (A. jandaei) in Nepal that harboured four types of genes encoding phosphoethanolamine transferases.

Methods: An isolate of colistin-resistant A.

Molecular characterisation of carbapenem-resistant Pseudomonas aeruginosa clinical isolates in Nepal.

Objectives: The emergence of carbapenem-resistant Pseudomonas aeruginosa has become a serious worldwide medical problem. The aim of this study was to determine the genetic and epidemiological properties of carbapenem-resistant P. aeruginosa strains isolated from hospitals in Nepal.

Biofilm Formation by Pathogens Causing Ventilator-Associated Pneumonia at Intensive Care Units in a Tertiary Care Hospital: An Armor for Refuge.

Background: Emerging threat of drug resistance among pathogens causing ventilator-associated pneumonia (VAP) has resulted in higher hospital costs, longer hospital stays, and increased hospital mortality. Biofilms in the endotracheal tube of ventilated patients act as protective shield from host immunity. They induce chronic and recurrent infections that defy common antibiotics.

Carbapenem Resistance in Non-Fermentative Gram-Negative Bacilli Isolated from Intensive Care Unit Patients of a Referral Hospital.

Background: Non-fermentative Gram-negative bacilli or non-fermenters are opportunistic pathogens associated with serious infections in intensive care unit patients. Although carbapenems were considered as a backbone of treatment for life-threatening infections, these bacteria are increasingly acquiring resistance to carbapenems. Carbapenem-resistant Acinetobacter baumannii and Pseudomonas aeruginosa are prioritized as critical pathogens by the World Health Organization.

Scrub Typhus and Molecular Characterization of from Central Nepal.

Scrub typhus is a vector-borne, acute febrile illness caused by . Scrub typhus continues to be an important but neglected tropical disease in Nepal. Information on this pathogen in Nepal is limited to serological surveys with little information available on molecular methods to detect .

Birthweight and Environmental Conditions Impact Skin Barrier Adaptation in Neonates Receiving Natural Oil Massage.

Introduction: Skin interventions have been implemented to reduce neonatal mortality, demonstrating the skin's role in neonatal innate immunity. We examined the impact of birthweight and environmental conditions on skin integrity in infants receiving oil massage in rural Nepal.

Methods: In a community-based cluster randomized controlled trial, 991 premature and full-term infants were grouped by birthweight as: (1) 920-1,560 g, (2) 1,570-2,450 g, (3) 2,460-2,990 g, and (4) 3,000-4,050 g and by high or low heat index (HI).

Bacteria on Medical Professionals' White Coats in a University Hospital.

The transient contamination of medical professional's attires including white coats is one of the major vehicles for the horizontal transmission of microorganisms in the hospital environment. This study was carried out to determine the degree of contamination by bacterial agents on the white coats in a tertiary care hospital in Nepal. Sterilized uniforms with fabric patches of 10 cm × 15 cm size attached to the right and left pockets were distributed to 12 nurses of six different wards of a teaching hospital at the beginning of their work shift.