Publications by authors named "Nasreen S"

Coronavirus disease-2019 (Covid-19) caused by the virus SARS-CoV 2 is a major health problem across the globe currently. Bangladesh is also defying this highly infectious disease with an exponentially rising number of cases across the country. This study was designed to observe the socio-demographic characteristics, clinical presentation and treatment outcome of Covid-19 cases in Bangladesh.

View Article and Find Full Text PDF
Article Synopsis
  • Fluroquinolone resistance in Enterobacteriaceae, including Proteus, poses a significant public health threat, particularly affecting treatments for UTIs and intra-abdominal infections.
  • The study aimed to identify specific quinolone resistance genes in ciprofloxacin-resistant Proteus species within a defined timeframe and location in Bangladesh.
  • Results showed a high prevalence (64.58%) of plasmid-mediated quinolone resistance genes among resistant isolates, indicating a concerning trend that could lead to increased resistance and transmission due to over-prescription of fluoroquinolones.
View Article and Find Full Text PDF

Background: Understanding how the efficacy of COVID-19 vaccines translates from clinical trials to real-world settings is critical to inform evolving vaccination policies. The objective of this study was to assess COVID-19 vaccine effectiveness (VE) against severe COVID-19-related outcomes in children aged 5-11 years, including COVID-19-related hospital admissions and multisystem inflammatory syndrome in children (MIS-C).

Methods: We conducted a retrospective, population-based cohort study using linked health administrative data in the first year following the emergence of the Omicron variant (January 2 to December 31, 2022) in Ontario, Canada.

View Article and Find Full Text PDF
Article Synopsis
  • A study was conducted to investigate whether maternal vaccination with mRNA COVID-19 vaccines during the first trimester of pregnancy is linked to a higher rate of major congenital anomalies in newborns.
  • The research utilized data from over 174,000 live births in Ontario, Canada, comparing infants born to vaccinated mothers with those born to unvaccinated mothers and their older siblings for better analysis.
  • Results indicated that the incidence of major congenital anomalies was slightly lower in vaccinated mothers’ infants (24.3 per 1000 live births) compared to unvaccinated mothers’ infants (26.5 per 1000 live births), suggesting no significant increased risk associated with vaccination during early pregnancy.
View Article and Find Full Text PDF
Article Synopsis
  • This study aimed to evaluate how effective the MVA-BN vaccine is at preventing mpox infections in real-world settings, specifically in Ontario, Canada.
  • Researchers matched vaccinated men (who received the vaccine at least 15 days prior) with unvaccinated men based on several health and demographic factors, assessing the rate of mpox infections over a 153-day period.
  • Results indicated that the MVA-BN vaccine was about 58% effective in reducing the risk of mpox infection compared to unvaccinated individuals, suggesting that it can be a valuable tool in controlling outbreaks.
View Article and Find Full Text PDF
Article Synopsis
  • Leptospirosis is a neglected zoonotic disease that is prevalent in Bangladesh, but its recent epidemiological status is poorly documented.
  • A study tested 186 febrile patients and found a 47% positivity rate for leptospirosis using various diagnostic methods, with nested PCR showing higher positivity in patients with short fever durations.
  • Most cases were among males aged 16-45, particularly farmers in rural areas, and common symptoms included fever, myalgia, and jaundice, with the identified pathogenic species belonging to subclade P2.
View Article and Find Full Text PDF

Environmental degradation poses a significant challenge in many developing countries, as they heavily rely on fossil fuels to drive economic activities. The transition towards renewable energy is crucial to mitigate ecological depletion, yet numerous Asian developing countries may struggle to achieve the desired levels of renewable energy adoption due to financial constraints. Foreign aid in the energy sector can expedite this transition process.

View Article and Find Full Text PDF

Anthropogenic activities have significantly polluted the natural environments all over the world. Leather processing industries release toxic heavy metals through their effluents posing a great threat to the environment. Chromium (Cr) is the major component of tannery effluents.

View Article and Find Full Text PDF

Probiotics or bacteriotherapy is today's hot issue for public entities (Food and Agriculture Organization, and World Health Organization) as well as health and food industries since Metchnikoff and his colleagues hypothesized the correlation between probiotic consumption and human's health. They contribute to the newest and highly efficient arena of promising biotherapeutics. These are usually attractive in biomedical applications such as gut-related diseases like irritable bowel disease, diarrhea, gastrointestinal disorders, fungal infections, various allergies, parasitic and bacterial infections, viral diseases, and intestinal inflammation, and are also worth immunomodulation.

View Article and Find Full Text PDF

Chronic infection of represents a key factor in the etiology of gastrointestinal diseases, with high endemicity in South Asia. The present study aimed to determine the prevalence of among dyspeptic patients in north-central Bangladesh (Mymensingh) and analyze risk factors of infection and antimicrobial resistance (AMR) determinants in the pathogen. Endoscopic gastrointestinal biopsy samples were collected from dyspeptic patients for a one-year period from March 2022 and were checked for the presence of via the rapid urease test and PCR and further analyzed for the status of virulence factors / and genetic determinants related to AMR via PCR with direct sequencing or RFLP.

View Article and Find Full Text PDF
Article Synopsis
  • - This scoping review investigates how questions about COVID-19 vaccine effectiveness (VE) have changed throughout the pandemic, examining the evolution of real-world studies (RWS) and the methods used in these analyses.
  • - Researchers will utilize the Johns Hopkins Bloomberg School of Public Health VIEW-hub database to gather relevant studies, focusing on those that report mortality related to COVID-19 and analyzing various study characteristics and methodologies.
  • - The study aims to provide insights to improve future pandemic responses by outlining the necessary data and analytical frameworks for conducting rapid VE research, while ensuring ethical standards are upheld by using publicly available data.
View Article and Find Full Text PDF

Objective: To compare myocarditis/pericarditis risk after COVID-19 mRNA vaccination versus SARS-CoV-2 infection, and to assess if myocarditis/pericarditis risk varies by vaccine dosing interval.

Methods: In this retrospective cohort study, we used linked databases in Quebec, Ontario, and British Columbia between January 26, 2020, and September 9, 2021. We included individuals aged 12 or above who received an mRNA vaccine as the second dose or were SARS-CoV-2-positive by RT-PCR.

View Article and Find Full Text PDF
Article Synopsis
  • * The R2R3-MYB gene family, a significant division of MYB TFs, was categorized into 27 subgroups based on phylogenetic and gene structure analysis.
  • * Research on quinoa (Chenopodium quinoa) revealed that many CqR2R3-MYB genes are highly expressed in roots and stems under salt stress, suggesting their role in plant growth and resistance to abiotic stressors.
View Article and Find Full Text PDF

Background: Palmoplantar keratoderma (PPK) is a heterogeneous group of hereditary or acquired disorders characterised by excessive epidermal thickening of the palms and soles. Proper knowledge about the aetiology of the disease and clinico-demographic profile helps in planning management and predicting outcomes.

Aims And Objective: To determine the prevalence of different dermatoses and describe their clinico-histological correlation in acquired palmoplantar keratoderma.

View Article and Find Full Text PDF

Background: 13-valent pneumococcal conjugate vaccine (PCV13) has been part of publicly funded childhood immunisation programmes in Ontario and British Columbia (BC) since 2010. We assessed the indirect impact of infant PCV13 programmes on invasive pneumococcal disease (IPD) and all-cause pneumonia hospitalisation in older adults (aged ≥65 years) using a retrospective observational study.

Methods: We extracted monthly IPD and all-cause pneumonia cases from laboratory and health administrative databases between January 2005 and December 2018.

View Article and Find Full Text PDF

Background: The Global COVID Vaccine Safety (GCoVS) Project, established in 2021 under the multinational Global Vaccine Data Network™ (GVDN®), facilitates comprehensive assessment of vaccine safety. This study aimed to evaluate the risk of adverse events of special interest (AESI) following COVID-19 vaccination from 10 sites across eight countries.

Methods: Using a common protocol, this observational cohort study compared observed with expected rates of 13 selected AESI across neurological, haematological, and cardiac outcomes.

View Article and Find Full Text PDF

Objectives: Coagulase-positive staphylococcus (CoPS), represented by , is a major cause of infections in humans. This study aimed to investigate molecular epidemiological characteristics, antimicrobial resistance, and their trends of CoPS in Bangladesh.

Methods: Clinical isolates of CoPS were collected from two medical institutions in Bangladesh for a 2-year period and analyzed for their species, genotypes, virulence factors, antimicrobial susceptibility, and resistance determinants.

View Article and Find Full Text PDF

Background: The most frequently occurring painful and dose-limiting side effect of radiation therapy (RT) to the head and neck region is oral mucositis (OM). Several studies demonstrated that glutamine may reduce the severity and the duration of OM significantly during RT and chemo-radiotherapy in patients with head and neck cancer (HNC).

Materials And Methods: Between January 2021 and August 2022, a prospective single institutional case-control study compared the efficacy and safety of oral glutamine on radiation-induced mucositis in patients with HNC.

View Article and Find Full Text PDF

Depression is the second most diagnosed disease in the world and is predicted to be the highest by the year 2030. Depressive disorder impacts both on mentally and physically, thus diagnosing this disorder in early stage is essential. Automatic Depression Detection (ADD) system via speech can greatly facilitate early-stage depression diagnosis.

View Article and Find Full Text PDF

Introduction: We assessed protection from coronavirus disease 2019 (COVID-19) vaccines and/or prior severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection against Omicron-associated severe outcomes during successive sublineage-predominant periods.

Methods: We used a test-negative design to estimate protection by vaccines and/or prior infection against hospitalization/death among community-dwelling, polymerase chain reaction (PCR)-tested adults aged ≥50 years in Ontario, Canada, between 2 January 2022 and 30 June 2023. Multivariable logistic regression was used to estimate the relative change in the odds of hospitalization/death with each vaccine dose (2-5) and/or prior PCR-confirmed SARS-CoV-2 infection (compared with unvaccinated, uninfected subjects) up to 15 months since the last vaccination or infection.

View Article and Find Full Text PDF

Importance: The study team previously showed that maternal mRNA COVID-19 vaccination during pregnancy confers protection against SARS-CoV-2 infection and COVID-19-related hospital admission in newborns and young infants. In this study, the study team evaluated newborn and early infant safety outcomes following maternal messenger RNA (mRNA) COVID-19 vaccination during pregnancy, for which there is limited comparative epidemiological evidence.

Objective: To determine if maternal mRNA COVID-19 vaccination during pregnancy is associated with adverse newborn and early infant outcomes.

View Article and Find Full Text PDF

We estimated the effectiveness of booster doses of monovalent and bivalent mRNA COVID-19 vaccines against Omicron-associated severe outcomes among adults aged ≥50 years in Ontario, Canada. Monovalent and bivalent mRNA COVID-19 booster doses provided similar strong initial protection against severe outcomes. Uncertainty remains around waning of protection from these vaccines.

View Article and Find Full Text PDF

Background: Carcinoma cervix is the fourth most commonly diagnosed cancer worldwide, with an estimated 604,000 new cases and 342,000 deaths worldwide in 2020. Carcinoma cervix is an uncommon malignancy in Kashmir. In this retrospective study, we have tried to find clinicopathological characteristics of carcinoma cervix along with the survival rates at our tertiary care hospital.

View Article and Find Full Text PDF

Cervical cancer is the fourth most common cancer in women in the world and is the second leading malignancy among Bangladeshi women. Persistent infection with high risk human papillomavirus (HPV) is an important cause of development of cervical intraepithelial neoplasia (CIN) followed by cancer. Bacterial vaginosis (BV), a common treatable vaginal infection which can disrupt the balanced vaginal ecosystem and its innate protective mechanisms against infection, can play an essential role in the acquisition and persistence of high risk human papillomavirus (HR-HPV) infection.

View Article and Find Full Text PDF