Zahid Hasan Khan
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View article: Rethinking cholera diagnostic test performance, interpretation, and evaluation: a field-based latent-class analysis in Bangladesh
Rethinking cholera diagnostic test performance, interpretation, and evaluation: a field-based latent-class analysis in Bangladesh Open
View article: Delayed Diagnosis of Coarctation of the Aorta as a Cause of Secondary Hypertension in an Adult Female With Congenital Heart Disease: A Missed Opportunity for an Earlier Diagnosis?
Delayed Diagnosis of Coarctation of the Aorta as a Cause of Secondary Hypertension in an Adult Female With Congenital Heart Disease: A Missed Opportunity for an Earlier Diagnosis? Open
View article: Rapid tests as a practical alternative to slide agglutination for the confirmation of <i>V. cholerae</i> O1
Rapid tests as a practical alternative to slide agglutination for the confirmation of <i>V. cholerae</i> O1 Open
Slide agglutination for serogroup and/or serotype identification is a crucial step for confirming cholera by culture. Rapid diagnostic tests (RDTs) are typically used directly on stool but are not considered sufficient for cholera confirma…
View article: Determinants of incomplete immunization and factors for missed opportunities in urban Dhaka: A cross-sectional study
Determinants of incomplete immunization and factors for missed opportunities in urban Dhaka: A cross-sectional study Open
Most vaccinations in the immunization schedule need two or more doses to elicit a protective immune response. Therefore, completion of all doses is crucial for achieving the best possible immunity. The objective of this study was to invest…
View article: Cholera rapid diagnostic tests at the host-microbe interface: Key Considerations for Global Deployments
Cholera rapid diagnostic tests at the host-microbe interface: Key Considerations for Global Deployments Open
Background Effective cholera outbreak response requires accurate bedside rapid diagnostic tests (RDTs) because access to laboratories is often limited. Formative studies suggest cholera diagnostics have multiple vulnerabilities, including …
View article: Relationship Among Village Doctor Training Level, Proximity to a Main Road, and Availability to Administer Intravenous Fluids for Diarrheal Illness
Relationship Among Village Doctor Training Level, Proximity to a Main Road, and Availability to Administer Intravenous Fluids for Diarrheal Illness Open
Treatment of life-threatening diarrheal illness in rural areas of Bangladesh relies on the training and accessibility of informal health care providers such as village doctors. We found that village doctors located closer to main roads wer…
View article: Spike specific IgG3 and nucleocapsid IgG response in serum serve as distinguishing immunological markers between SARS-CoV-2 infection and vaccination
Spike specific IgG3 and nucleocapsid IgG response in serum serve as distinguishing immunological markers between SARS-CoV-2 infection and vaccination Open
Background Both SARS-CoV-2 infection and COVID-19 vaccines elicit immunological responses. However, it is difficult to distinguish responses generated after vaccination versus natural infection. Methods We investigated SARS-CoV-2 spike rec…
View article: Rapid tests as a practical alternative to slide agglutination for the confirmation of<i>V. cholerae</i>O1
Rapid tests as a practical alternative to slide agglutination for the confirmation of<i>V. cholerae</i>O1 Open
Objectives Slide agglutination is a crucial step for confirming cholera culture by determining serogroup/serotype. Rapid diagnostic tests (RDTs), typically used on stool, may provide a practical alternative, as they are easy to use, store …
View article: Evaluation of oral cholera vaccine (Euvichol-Plus) effectiveness against<i>Vibrio cholerae</i>in Bangladesh: an interim analysis
Evaluation of oral cholera vaccine (Euvichol-Plus) effectiveness against<i>Vibrio cholerae</i>in Bangladesh: an interim analysis Open
Introduction Millions of Euvichol-Plus doses have been deployed from the global oral cholera vaccine stockpile in over 20 cholera-affected countries. However, information on Euvichol-Plus’s effectiveness is limited. Using this vaccine in a…
View article: Adenovirus Disease and Ocular Symptoms in Children: Diagnosis and Prognostic Considerations
Adenovirus Disease and Ocular Symptoms in Children: Diagnosis and Prognostic Considerations Open
Adenoviral infections significantly impact pediatric health, manifesting as respiratory, gastrointestinal, and ocular disorders. We report a 14‐year‐old male with adenoviral pharyngoconjunctival fever (PCF) complicated by subconjunctival h…
View article: Serum Antidiuretic Hormone Level in Nocturnal Enuretic School Children in a Tertiary Care Hospital in Bangladesh: A Cross‐Sectional Study
Serum Antidiuretic Hormone Level in Nocturnal Enuretic School Children in a Tertiary Care Hospital in Bangladesh: A Cross‐Sectional Study Open
Background and Aims Primary nocturnal enuresis (PNE) is a common pediatric condition characterized by involuntary nighttime bed wetting. Primary monosymptomatic nocturnal enuresis (PMNE) is associated with altered antidiuretic hormone (ADH…
View article: Coinfection and clinical impact of enterotoxigenic Escherichia coli harboring diverse toxin variants and colonization factors: 2017-2022
Coinfection and clinical impact of enterotoxigenic Escherichia coli harboring diverse toxin variants and colonization factors: 2017-2022 Open
ETEC and co-infections exacerbate illness severity and overburden healthcare systems. Policymakers should prioritize resilient healthcare strategies for ETEC and co-infections.
View article: Rethinking cholera diagnostic test performance, interpretation and evaluation: a field-based latent-class analysis in Bangladesh
Rethinking cholera diagnostic test performance, interpretation and evaluation: a field-based latent-class analysis in Bangladesh Open
Background Accurate and reliable diagnostics, including rapid diagnostic tests (RDTs), are critical components of cholera control programs, though their performance has varied greatly across studies. While poorly understood, this variabili…
View article: Antibiotic resistance and serotype distribution of <i>Shigella</i> strains in Bangladesh over the period of 2014–2022: evidence from a nationwide hospital-based surveillance for cholera and other diarrheal diseases
Antibiotic resistance and serotype distribution of <i>Shigella</i> strains in Bangladesh over the period of 2014–2022: evidence from a nationwide hospital-based surveillance for cholera and other diarrheal diseases Open
The objective of this study was to assess the prevalence, antimicrobial resistance patterns, and risk factors linked to Shigella infections through a nationwide hospital-based diarrheal disease surveillance in Bangladesh. From May 2014 to …
View article: Identification, mapping, and self-reported practice patterns of village doctors in Sitakunda subdistrict, Bangladesh
Identification, mapping, and self-reported practice patterns of village doctors in Sitakunda subdistrict, Bangladesh Open
The findings provide insights into the characteristics and practices of village doctors and point to the potential for internet and phone-based interventions to improve patient care and reduce inappropriate antibiotic use in this health ca…
View article: Diarrhea and cholera surveillance for early warning and preparedness to prevent epidemics among Rohingya Myanmar nationals in Cox's Bazar, Bangladesh
Diarrhea and cholera surveillance for early warning and preparedness to prevent epidemics among Rohingya Myanmar nationals in Cox's Bazar, Bangladesh Open
View article: Assessing Barriers to Primary Prevention of Cardiovascular Diseases in Low and Middle-Income Countries: A Systematic Review
Assessing Barriers to Primary Prevention of Cardiovascular Diseases in Low and Middle-Income Countries: A Systematic Review Open
View article: Author Correction: Clinical surveillance systems obscure the true cholera infection burden in an endemic region
Author Correction: Clinical surveillance systems obscure the true cholera infection burden in an endemic region Open
View article: Clinical surveillance systems obscure the true cholera infection burden in an endemic region
Clinical surveillance systems obscure the true cholera infection burden in an endemic region Open
View article: The reactive cholera vaccination campaign in urban Dhaka in 2022: experience, lessons learned and future directions
The reactive cholera vaccination campaign in urban Dhaka in 2022: experience, lessons learned and future directions Open
This campaign serves as a model for a multispectral approach in combating cholera epidemics, highlighting the collaborative efforts of policymakers, health authorities, local communities, and health partners.
View article: Annual risk of hepatitis E virus infection and seroreversion: Insights from a serological cohort in Sitakunda, Bangladesh
Annual risk of hepatitis E virus infection and seroreversion: Insights from a serological cohort in Sitakunda, Bangladesh Open
Hepatitis E virus (HEV) is a major cause of acute jaundice in South Asia. Gaps in our understanding of transmission are driven by non-specific symptoms and scarcity of diagnostics, impeding rational control strategies. In this context, ser…
View article: Appearance of tolerance-induction and non-inflammatory SARS-CoV-2 spike-specific IgG4 antibodies after COVID-19 booster vaccinations
Appearance of tolerance-induction and non-inflammatory SARS-CoV-2 spike-specific IgG4 antibodies after COVID-19 booster vaccinations Open
Background Understanding the characteristics of the humoral immune responses following COVID-19 vaccinations is crucial for refining vaccination strategies and predicting immune responses to emerging SARS-CoV-2 variants. Methods A longitud…
View article: Factors Affecting Wheat Production in Districts Loralai and Jaffarabad Baluchistan
Factors Affecting Wheat Production in Districts Loralai and Jaffarabad Baluchistan Open
The present study aims to identify the main factors affecting wheat production in the upper zone of the Loralai District and the plain zone of the Jaffarabad District. Data was collected from the farmers by purposive sampling method. A str…
View article: Qualitative Assessment of a Smartphone-Based Mobile Health Tool to Guide Diarrhea Management in Bangladesh
Qualitative Assessment of a Smartphone-Based Mobile Health Tool to Guide Diarrhea Management in Bangladesh Open
Diarrheal diseases are a major cause of morbidity and mortality in children worldwide and a significant contributor to antimicrobial resistance. In the absence of laboratory diagnostics to establish diarrhea etiology, electronic clinical d…
View article: Annual risk of hepatitis E virus infection and seroreversion: insights from a serological cohort in Sitakunda, Bangladesh
Annual risk of hepatitis E virus infection and seroreversion: insights from a serological cohort in Sitakunda, Bangladesh Open
Hepatitis E virus (HEV) is a major cause of acute jaundice in South Asia. Gaps in our understanding of transmission are driven by non-specific symptoms and scarcity of diagnostics, impeding rational control strategies. In this context, ser…
View article: National Hospital-Based Sentinel Surveillance for Cholera in Bangladesh: Epidemiological Results from 2014 to 2021
National Hospital-Based Sentinel Surveillance for Cholera in Bangladesh: Epidemiological Results from 2014 to 2021 Open
Despite focusing on cholera burden, epidemiologic studies in Bangladesh tend to be limited in geographic scope. National-level cholera surveillance data can help inform cholera control strategies and assess the effectiveness of preventive …
View article: Estimating the gap between clinical cholera and true community infections: findings from an integrated surveillance study in an endemic region of Bangladesh
Estimating the gap between clinical cholera and true community infections: findings from an integrated surveillance study in an endemic region of Bangladesh Open
Our understanding of cholera transmission and burden largely rely on clinic-based surveillance, which can obscure trends, bias burden estimates and limit the impact of targeted cholera-prevention measures. Serologic surveillance provides a…
View article: Non-destructive Prediction Models for Estimation of Leaf Area for Most Commonly Grown Vegetable Crops in Ethiopia
Non-destructive Prediction Models for Estimation of Leaf Area for Most Commonly Grown Vegetable Crops in Ethiopia Open
Non-destructive Prediction Models for Estimation of LeafArea for Most Commonly Grown Vegetable Crops inEthiopia
View article: Effect of Combined Oral Contraceptive on Lipid Profile Level and Cardiovascular Risk
Effect of Combined Oral Contraceptive on Lipid Profile Level and Cardiovascular Risk Open
Background: Combined oral contraceptive pills are an effective and widely used method for contraception. Combined oral contraceptives have been shown to alter lipid profiles among various population groups with different patterns of dyslip…
View article: Implementation and Delivery of Oral Cholera Vaccination Campaigns in Humanitarian Crisis Settings among Rohingya Myanmar nationals in Cox’s Bazar, Bangladesh
Implementation and Delivery of Oral Cholera Vaccination Campaigns in Humanitarian Crisis Settings among Rohingya Myanmar nationals in Cox’s Bazar, Bangladesh Open
Background: Over 700,000 Myanmar nationals known as the ‘Rohingyas’ fled into Cox’s Bazar, Bangladesh, in late 2017. Due to this huge displacement into unhygienic areas, these people became vulnerable to communicable diseases including cho…