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Article ; Online: Tackling the outbreak of nipah virus in Bangladesh amidst COVID-19: A potential threat to public health and actionable measures.

Sharif, Nadim / Sharif, Nazmul / Khan, Afsana / Dey, Shuvra K

Health science reports

2024 Volume 7, Issue 4, Page(s) e2010

Language	English
Publishing date	2024-03-27
Publishing country	United States
Document type	Journal Article
ISSN	2398-8835
ISSN (online)	2398-8835
DOI	10.1002/hsr2.2010
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: The Epidemiologic and Clinical Characteristics of the 2023 Dengue Outbreak in Bangladesh.

Sharif, Nadim / Sharif, Nazmul / Khan, Afsana / Dey, Shuvra Kanti

Open forum infectious diseases

2024 Volume 11, Issue 2, Page(s) ofae066

Abstract: The ongoing 2023 dengue outbreak is the worst ever case reported in Bangladesh. There is a lack of epidemiological studies on the outbreak. A 2- ... ...

Abstract	The ongoing 2023 dengue outbreak is the worst ever case reported in Bangladesh. There is a lack of epidemiological studies on the outbreak. A 2-tailed
Language	English
Publishing date	2024-02-02
Publishing country	United States
Document type	Journal Article
ZDB-ID	2757767-3
ISSN	2328-8957
ISSN	2328-8957
DOI	10.1093/ofid/ofae066
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Article: Epidemiology of mpox: Focus on men with HIV.

Sharif, Nadim / Dey, Shuvra Kanti

Heliyon

2023 Volume 9, Issue 11, Page(s) e22129

Abstract: The 2022 mpox outbreak is the first ever report of worldwide spread of cases. Integrated knowledge on the epidemiology and clinical characteristics of mpox are limited. This study was conducted to shed light on the epidemiology of 2022 mpox outbreak. We ... ...

Abstract	The 2022 mpox outbreak is the first ever report of worldwide spread of cases. Integrated knowledge on the epidemiology and clinical characteristics of mpox are limited. This study was conducted to shed light on the epidemiology of 2022 mpox outbreak. We found that men were the most infected sex (90-100 % cases). The highest prevalence of mpox infection (70 %) was found among men aged between 30 and 40 years. Pre-existing HIV was reported among 24-100 % of mpox positive cases. About 90-100 % of the cases have been disproportionately found among group of men with specific sexual practice, namely, men who have sex with men (MSM). Case fatality rate of 2022 mpox outbreak varied between 1 and 10 %. Studies on the relationship of HIV with mpox outcomes are limited. This study will add knowledge on the epidemiology of 2022 mpox outbreak.
Language	English
Publishing date	2023-11-08
Publishing country	England
Document type	Journal Article ; Review
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2023.e22129
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Impact of population density and weather on COVID-19 pandemic and SARS-CoV-2 mutation frequency in Bangladesh.

Sharif, Nadim / Dey, Shuvra Kanti

Epidemiology and infection

2021 Volume 149, Page(s) e16

Abstract: Coronavirus disease-2019 (COVID-19) has caused the recent pandemic worldwide. Research studies are focused on various factors affecting the pandemic to find effective vaccine or therapeutics against COVID-19. Environmental factors are the important ... ...

Abstract	Coronavirus disease-2019 (COVID-19) has caused the recent pandemic worldwide. Research studies are focused on various factors affecting the pandemic to find effective vaccine or therapeutics against COVID-19. Environmental factors are the important regulators of COVID-19 pandemic. This study aims to determine the impact of weather on the COVID-19 cases, fatalities and frequency of mutations in Bangladesh. The impacts were determined on 1, 7 and 14 days of the case. The study was conducted based on Spearman's correlation coefficients. The highest correlation was found between population density and cases (rs = 0.712). Among metrological parameters, average temperature had the strongest correlation (rs = -0.675) with the cases. About 82% of Bangladeshi isolates had D614G at spike protein. Both temperature and UV index had strong effects on the frequency of mutations. Among host factors, coinfection is highly associated with frequency of different mutations. This study will give a complete picture of the effects of metrological parameters on COVID-19 cases, fatalities and mutation frequency that will help the authorities to take proper decisions.
MeSH term(s)	Adolescent ; Adult ; Aged ; Aged, 80 and over ; Bangladesh/epidemiology ; COVID-19/epidemiology ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Infant, Newborn ; Male ; Middle Aged ; Mutation ; Population Density ; SARS-CoV-2/genetics ; Weather ; Young Adult
Language	English
Publishing date	2021-01-07
Publishing country	England
Document type	Journal Article
ZDB-ID	632982-2
ISSN	1469-4409 ; 0950-2688
ISSN (online)	1469-4409
ISSN	0950-2688
DOI	10.1017/S0950268821000029
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Article ; Online: Prevalence and genetic diversity of rotavirus in Bangladesh during pre-vaccination period, 1973-2023: a meta-analysis.

Sharif, Nadim / Sharif, Nazmul / Khan, Afsana / Azpíroz, Irma Domínguez / Diaz, Raquel Martínez / Díez, Isabel De la Torre / Parvez, Anowar Khasru / Dey, Shuvra Kanti

Frontiers in immunology

2023 Volume 14, Page(s) 1289032

Abstract: Introduction: Rotavirus infection is a major cause of mortality among children under 5 years in Bangladesh. There is lack of integrated studies on rotavirus prevalence and genetic diversity during 1973 to 2023 in Bangladesh.: Methods: This meta- ... ...

Abstract	Introduction: Rotavirus infection is a major cause of mortality among children under 5 years in Bangladesh. There is lack of integrated studies on rotavirus prevalence and genetic diversity during 1973 to 2023 in Bangladesh. Methods: This meta-analysis was conducted to determine the prevalence, genotypic diversity and seasonal distribution of rotavirus during pre-vaccination period in Bangladesh. This study included published articles on rotavirus A, rotavirus B and rotavirus C. We used Medline, Scopus and Google Scholar for published articles. Selected literatures were published between 1973 to 2023. Results: This study detected 12431 research articles published on rotavirus. Based on the inclusion criteria, 29 of 75 (30.2%) studies were selected. Molecular epidemiological data was taken from 29 articles, prevalence data from 29 articles, and clinical symptoms from 19 articles. The pooled prevalence of rotavirus was 30.1% (95% CI: 22%-45%, Discussion: This is the first meta-analysis including all the studies on prevalence, molecular epidemiology, and genetic diversity of rotavirus from 1973 to 2023, pre-vaccination period in Bangladesh. This study will provide overall scenario of rotavirus genetic diversity and seasonality during pre-vaccination period and aids in policy making for rotavirus vaccination program in Bangladesh. This work will add valuable knowledge for vaccination against rotavirus and compare the data after starting vaccination in Bangladesh.
MeSH term(s)	Child ; Humans ; Child, Preschool ; Rotavirus/genetics ; Rotavirus Infections/epidemiology ; Rotavirus Infections/prevention & control ; Prevalence ; Bangladesh/epidemiology ; Vaccination ; Genetic Variation
Language	English
Publishing date	2023-11-22
Publishing country	Switzerland
Document type	Meta-Analysis ; Systematic Review ; Journal Article
ZDB-ID	2606827-8
ISSN	1664-3224 ; 1664-3224
ISSN (online)	1664-3224
ISSN	1664-3224
DOI	10.3389/fimmu.2023.1289032
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: A Retrospective Public Health Assessment and Management in Terms of the Social and Clinical Risk Factors of Respiratory Syncytial Virus Infection in Northern Canada.

Sharif Sheikh, Sana / Sharif, Hina / Sharif, Nadia

Cureus

2024 Volume 16, Issue 2, Page(s) e53378

Abstract: Background The predominant source of respiratory infections in Northern Canada stems from RSV, leading to potentially life-threatening lower respiratory tract infections in children below the age of 2. Typically, RSV begins to appear in November or ... ...

Abstract	Background The predominant source of respiratory infections in Northern Canada stems from RSV, leading to potentially life-threatening lower respiratory tract infections in children below the age of 2. Typically, RSV begins to appear in November or December and persists until April or May. Synagis® (Palivizumab), a monoclonal antibody, is employed to mitigate or reduce the effects of RSV. Past research indicated a reduction in hospitalizations with the use of Synagis®. Aim The aim is to estimate the cost-benefit analysis by comparing the health services cost with Synagis
Language	English
Publishing date	2024-02-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.53378
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Article ; Online: Efficacy, Immunogenicity and Safety of COVID-19 Vaccines: A Systematic Review and Meta-Analysis.

Sharif, Nadim / Alzahrani, Khalid J / Ahmed, Shamsun Nahar / Dey, Shuvra Kanti

Frontiers in immunology

2021 Volume 12, Page(s) 714170

Abstract: There is a significant research gap in meta-analysis on the efficacy and safety of coronavirus disease 2019 (COVID-19) vaccines. This study analyzed the efficacy of COVID-19 vaccines. Published phase I, phase II, and phase III trials analyzing safety and ...

Abstract	There is a significant research gap in meta-analysis on the efficacy and safety of coronavirus disease 2019 (COVID-19) vaccines. This study analyzed the efficacy of COVID-19 vaccines. Published phase I, phase II, and phase III trials analyzing safety and immunogenicity and phase III randomized clinical trials evaluating the efficacy of COVID-19 vaccines were included. We searched MEDLINE, Scopus, and The Lancet for published articles evaluating the relative reduction in COVID-19 risk after vaccination. Selected literatures were published between December 15, 2019 and May 15, 2021 on the safety, efficacy, and immunogenicity of COVID-19 vaccines. This meta-analysis included studies that confirmed cases of COVID-19 using reverse transcriptase polymerase chain reaction. This study detected 8,926 eligible research articles published on COVID-19 vaccines. Of these, 25 studies fulfilled the inclusion criteria. Among the selected articles, 19 randomized clinical trials, 2 non-randomized clinical trials, and 3 observational studies were analyzed. Seven (28%) studies were included in the meta-analysis. The efficacy of the adenovirus vector vaccine was 73% (95% CI = 69-77) and that of the messenger RNA (mRNA) vaccine was 85% (95% CI = 82-88) in participants aged ≥18 years. There are no reports of clinical trials in participants aged under 16 years. The production of neutralizing antibodies against receptor-binding domains (RBDs) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in >90% of the vaccinated samples was reported within 0-30 days of the first or the second dose of the vaccine. Pain at the injection site was the most common local symptom in people receiving mRNA vaccines (29%-85% of participants). Fever (0.2%-95%) was the most prevalent in people receiving adenovirus vector vaccines, and fatigue (8.4%-55%) was the most common side effect in people receiving the mRNA vaccines. Studies suggest that mRNA vaccines and adenovirus vector vaccines can provide moderate to high protection against COVID-19 infection in people over 18 years. Evidence of the long-term protection of the vaccines in people aged under 16 years against the multiple variants of COVID-19 are limited. This study will provide an integrated evaluation on the efficacy, safety, and immunogenicity of the COVID-19 vaccines.
MeSH term(s)	Adolescent ; Adult ; Aged ; Antibodies, Neutralizing/blood ; COVID-19/prevention & control ; COVID-19 Vaccines/administration & dosage ; COVID-19 Vaccines/adverse effects ; COVID-19 Vaccines/immunology ; Humans ; Immunogenicity, Vaccine ; Injections, Intramuscular/adverse effects ; Middle Aged ; Pain/etiology ; Randomized Controlled Trials as Topic ; SARS-CoV-2/immunology ; Young Adult
Chemical Substances	Antibodies, Neutralizing ; COVID-19 Vaccines
Language	English
Publishing date	2021-10-11
Publishing country	Switzerland
Document type	Journal Article ; Meta-Analysis ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	2606827-8
ISSN	1664-3224 ; 1664-3224
ISSN (online)	1664-3224
ISSN	1664-3224
DOI	10.3389/fimmu.2021.714170
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Impact of meteorological factors and population density on COVID-19 pandemic in Saudi Arabia

Khalid J. Alzahrani / Nadim Sharif / Afsana Khan / Hamsa Jameel Banjer / Anowar Khasru Parvez / Shuvra Kanti Dey

Saudi Journal of Biological Sciences, Vol 30, Iss 2, Pp 103545- (2023)

2023

Abstract: Transmission and increase in cases and fatalities of coronavirus disease-2019 (COVID-19) are significantly influenced by the parameters of weather, human activities and population factors. However, study gap on the seasonality of COVID-19 and impact of ... ...

Abstract	Transmission and increase in cases and fatalities of coronavirus disease-2019 (COVID-19) are significantly influenced by the parameters of weather, human activities and population factors. However, study gap on the seasonality of COVID-19 and impact of environmental factors on the pandemic in Saudi Arabia is present. The main aim of the study is to evaluate the impact of environment on the COVID-19 pandemic. Data were analyzed from January 2020 to July 2021. The generalized estimating equation (GEE) was used to determine the effect of environmental variables on longitudinal outcomes. Spearman's rank correlation coefficient (rs) was used to analyze the impact of different parameters on the outcome of the pandemic. Multiple sequence alignment was performed by using ClustalW. Vaccination and fatalities (rs = −0.85) had the highest association followed by vaccination with cases (rs = −0.81) and population density with the fatalities (rs = 0.71). The growth rate had the highest correlation with sun hours (rs = −0.63). Isolates from variant of concern alpha and beta were detected. Most of the reference sequences in Saudi Arabia were closely related with B.1.427/429 variant. Clade GH (54%) was the most prevalent followed by O (27%), GR (9%), G (6%), and S (4%), respectively. Male to female patient ratio was 1.4:1. About 95% fatality and hospitalization were reported in patients aged >60 years. This study will create a comprehensive insight of the interaction of environmental factors and the pandemic and add knowledge on seasonality of COVID-19 in Saudi Arabia.
Keywords	COVID-19 ; Weather ; Population ; Variant of concern ; Vaccination ; Saudi Arabia ; Biology (General) ; QH301-705.5
Subject code	590
Language	English
Publishing date	2023-02-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Molecular epidemiology, transmission and clinical features of 2022-mpox outbreak: A systematic review.

Sharif, Nadim / Sharif, Nazmul / Alzahrani, Khalid J / Halawani, Ibrahim F / Alzahrani, Fuad M / Díez, Isabel De la Torre / Lipari, Vivían / Flores, Miguel Angel López / Parvez, Anowar K / Dey, Shuvra K

Health science reports

2023 Volume 6, Issue 10, Page(s) e1603

Abstract: Background and aims: The 2022-mpox outbreak has spread worldwide in a short time. Integrated knowledge of the epidemiology, clinical characteristics, and transmission of mpox are limited. This systematic review of peer-reviewed articles and gray ... ...

Abstract	Background and aims: The 2022-mpox outbreak has spread worldwide in a short time. Integrated knowledge of the epidemiology, clinical characteristics, and transmission of mpox are limited. This systematic review of peer-reviewed articles and gray literature was conducted to shed light on the epidemiology, clinical features, and transmission of 2022-mpox outbreak. Methods: We identified 45 peer-reviewed manuscripts for data analysis. The standards of the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) Statement and Cochrane Collaboration were followed for conducting the study. Results: The case number of mpox has increased about 100 times worldwide. About 99% of the cases in 2022 outbreak was from non-endemic regions. Men (70%-98% cases) were mostly infected with homosexual and bisexual behavior (30%-60%). The ages of the infected people ranged between 30 and 40 years. The presence of HIV and sexually transmitted infections among 30%-60% of cases were reported. Human-to-human transmission via direct contact and different body fluids were involved in the majority of the cases (90%-100%). Lesions in genitals, perianal, and anogenital areas were more prevalent. Unusually, pharyngitis (15%-40%) and proctitis (20%-40%) were more common during 2022 outbreak than pre-2022 outbreaks. Brincidofovir is approved for the treatment of smallpox by FDA (USA). Two vaccines, including JYNNEOSTM and ACAM2000®, are approved and used for pre- and post-prophylaxis in cases. About 100% of the cases in non-endemic regions were associated with isolates of IIb clade with a divergence of 0.0018-0.0035. Isolates from B.1 lineage were the most predominant followed by B.1.2 and B.1.10. Conclusion: This study will add integrated knowledge of the epidemiology, clinical features, and transmission of mpox.
Language	English
Publishing date	2023-10-05
Publishing country	United States
Document type	Journal Article
ISSN	2398-8835
ISSN (online)	2398-8835
DOI	10.1002/hsr2.1603
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Article ; Online: High prevalence of norovirus GII.4 Sydney among children with acute gastroenteritis in Bangladesh, 2018-2021.

Sharif, Nadim / Ahmed, Shamsun Nahar / Sharif, Nazmul / Alzahrani, Khalid J / Alsuwat, Meshari A / Alzahrani, Fuad M / Khandaker, Shamim / Monifa, Nuzhat Haque / Okitsu, Shoko / Parvez, Anowar Khasru / Ushijima, Hiroshi / Dey, Shuvra Kanti

Journal of infection and public health

2023 Volume 16, Issue 7, Page(s) 1015–1022

Abstract: Background: Active molecular surveillance and rapid diagnosis method to track an outbreak of norovirus in Bangladesh is lacking. This study aims to determine the genotypic diversity, molecular epidemiology and evaluate a rapid diagnosis method.: ... ...

Abstract	Background: Active molecular surveillance and rapid diagnosis method to track an outbreak of norovirus in Bangladesh is lacking. This study aims to determine the genotypic diversity, molecular epidemiology and evaluate a rapid diagnosis method. Methods: A total of 404 fecal specimens were collected from children aged below 60 months from January 2018 to December 2021. All samples were analyzed by reverse transcriptase polymerase chain reaction molecular sequencing of partial VP1 nucleotide. Immunochromatography kit (IC, IP Rota/Noro) was evaluated against reference test method. Results: We found norovirus in 6.7 % (27 of 404) fecal specimens. A wide diversity of norovirus genotype including GII.3, GII.4, GII.5, GII.6, GII.7, and GII.9 were detected. Norovirus strain GII.4 Sydney-2012 was the most predominant (74 %, 20 of 27) followed by GII.7 (7.4 %), GII.9 (7.4 %), GII.3 (3.7 %), GII.5 (3.7 %) and GII.6 (3.7 %), respectively. Co-infection of rotavirus and norovirus (19 [4.7 %] of 404) was the most prevalent. We found higher odds of prolonged health impact [OR 1.93 (95 % CI 0.87-3.12) (p = .001)] among patients with co-infection. The incidence of norovirus was significant among the children below 24 months (p = 0.001). Significant relation of temperature with the cases of norovirus was detected (p = 0.001). The IC kit provided high specificity (99.3 %) and sensitivity (100 %) for the detection of norovirus. Conclusions: This study will provide an integrated insight on the genotypic diversity and rapid identification method of norovirus in Bangladesh.
MeSH term(s)	Humans ; Child ; Norovirus/genetics ; Prevalence ; Bangladesh/epidemiology ; Coinfection ; Caliciviridae Infections/epidemiology ; Feces ; Gastroenteritis ; Genotype ; Phylogeny
Language	English
Publishing date	2023-05-05
Publishing country	England
Document type	Journal Article
ZDB-ID	2467587-8
ISSN	1876-035X ; 1876-0341
ISSN (online)	1876-035X
ISSN	1876-0341
DOI	10.1016/j.jiph.2023.05.002
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