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Gupta S, Shakya A, Mishra N, Islahi S, Singh S, Nag S, Dwivedi A, Shukla M, Sen S, Dwivedi P, Agarwal M, Mukherjee A. Investigating the Clinico-Demographic Characteristics of Dengue Fever and Its Seroprevalence at a Tertiary Care Hospital in Northern India. Cureus 2024; 16:e57640. [PMID: 38707003 PMCID: PMC11070059 DOI: 10.7759/cureus.57640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2024] [Indexed: 05/07/2024] Open
Abstract
Background and objective Dengue virus (DENV) is a major global health threat, causing over 50,000 deaths annually. The state of Uttar Pradesh (UP) in India faces significant challenges due to the increasing number of dengue cases detected. This study aimed to assess DENV seropositivity in the Raebareli district of UP, to offer crucial insights into the region's effective control and management strategies. Materials and methods This study, after obtaining approval from the ethics committee, analyzed blood samples of individuals suspected of having dengue at a teaching hospital in rural UP between January and December 2022. To determine the disease's seroprevalence, both dengue NS1 antigen ELISA and dengue IgM Microlisa were conducted. Furthermore, RT-PCR was performed on NS1-positive samples to confirm the serotypes. The collected data were analyzed using Epi Info 7.0. Results Of the 589 suspected dengue cases, 86 (14.60%) tested positive for dengue NS1 and/or IgM. Our findings showed that males (n=330, 56.03%) and adolescents and young adults (n=301, 51.1%) from rural areas (n=523, 88.4%) were predominantly affected. Cases peaked post-monsoon, and platelet levels were notably low in NS1-positive cases. Dengue serotype 2 (DEN-2) was found in all RT-PCR-positive samples. Our results revealed a dengue seroprevalence of 14.60% (n=86), which peaked in post-monsoon months. The higher incidence among males and young adults from rural areas attending the outpatient department highlights the importance of targeted interventions and community surveillance. RT-PCR confirmed the circulation of a single serotype in the region. Conclusions This study contributes crucial insights into dengue's epidemiology and clinical profile and its findings are all the more significant now as India prepares for phase 3 trials of a quadrivalent dengue-virus vaccine in 2024. Adolescent and young adult males have an increased likelihood of acquiring the virus, and this demographic can be prioritized for vaccine trials.
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Affiliation(s)
- Shefali Gupta
- Microbiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Akhalesh Shakya
- Microbiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Namita Mishra
- Paediatrics, All India Institute of Medical Sciences, Raebareli, IND
| | - Sana Islahi
- Microbiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Sweta Singh
- Microbiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Soumyabrata Nag
- Microbiology, All India Institute of Medical Sciences, Nagpur, IND
| | - Arti Dwivedi
- Virus Research and Diagnostic Laboratory, All India Institute of Medical Sciences, Raebareli, IND
| | - Mukesh Shukla
- Community and Family Medicine, All India Institute of Medical Sciences, Raebareli, IND
| | - Somdatt Sen
- Microbiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Priyanka Dwivedi
- Virus Research and Diagnostic Laboratory, All India Institute of Medical Sciences, Raebareli, IND
| | - Mayank Agarwal
- Physiology, All India Institute of Medical Sciences, Raebareli, IND
| | - Anirudh Mukherjee
- Internal Medicine, All India Institute of Medical Sciences, Raebareli, IND
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Prakash O, Verma AK, Paliwal A, Abbas F, Srivastava AK, Mishra VK, Radera S, Jain A. Circulating serotypes and genotypes of dengue virus in North India: An observational study. J Vector Borne Dis 2024; 61:117-122. [PMID: 38648413 DOI: 10.4103/0972-9062.392258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 09/20/2023] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND OBJECTIVES This study reports observation on circulating serotypes and genotypes of Dengue Virus in North India. METHODS Serum samples were obtained from suspected cases of dengue referred to the virus diagnostic laboratory during 2014 to 2022. All samples were tested for anti-dengue virus IgM antibodies and NS1Ag by ELISA. NS1Ag positive samples were processed for serotyping and genotyping. RESULTS Total 41,476 dengue suspected cases were referred to the laboratory of which 12,292 (29.6%) tested positive. Anti-Dengue Virus IgM antibodies, NS1Ag, both IgM and NS1Ag, were positive in 7007 (57.4%); 3200 (26.0%) and 2085 (16.0%) cases respectively. Total 762 strains were serotyped during 9-year period. DENV-1, DENV-2, DENV-3 and DENV-4 serotypes were found in 79 (10.37%), 506 (66.40%), 151 (19.82%) and 26 (3.41%) cases respectively. DENV-1, DENV-2 and DENV-3 were in circulation throughout. Total 105 strains were genotyped. Genotype IV of DENV-1 serotype was circulating till 2014 which was later replaced by genotype V. A distinct seasonality with increase in number of cases in post-monsoon period was seen. INTERPRETATION CONCLUSION DENV-1, DENV-2 and DENV-3 were found to be in circulation in North India. Predominant serotype/genotype changed at times, but not at regular intervals.
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Affiliation(s)
- Om Prakash
- Department of Microbiology, King George's Medical University, Lucknow, India
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Behera SP, Bhardwaj P, Deval H, Srivastava N, Singh R, Misra BR, Agrawal A, Kavathekar A, Kant R. Co-circulation of all the four Dengue virus serotypes during 2018-2019: first report from Eastern Uttar Pradesh, India. PeerJ 2023; 11:e14504. [PMID: 36643644 PMCID: PMC9835713 DOI: 10.7717/peerj.14504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 11/11/2022] [Indexed: 01/17/2023] Open
Abstract
Dengue fever is an endemic disease in India, transmitted by an infected mosquito bite. In India, the number of concurrent infections and the circulation of multiple dengue virus (DENV) serotypes has increased in recent decades. Molecular surveillance among the DENV serotype is important to keep track of the circulating serotypes, evolutionary changes, and key mutations that can alter the diagnostics. The current study included patients admitted for dengue in the Eastern Uttar Pradesh (E-UP) region during 2018-2019. The genetic characterization of the circulating DENV was accomplished through partial CprM (511 bp) gene amplification via reverse transcriptase polymerase chain reaction and sequencing. Phylogenetic analysis revealed the circulation of all four DENV1-4 serotypes. DENV-2 was the most abundant serotype (44%, 27/61), followed by DENV-3 (32%, 20/61). DENV-1 had a 16% (10/61) predominance, while DENV-4 (6%, 4/61) was found to be the least abundant serotype. DENV-2 genotypes were distributed among lineages I (7.4%), II (85%) and III (7.4%) of genotype IV, DENV-3 to lineage III of genotype III, DENV-1 to genotype III; DENV-2 to lineage B (75%) and C (25%) of genotype I. This primary report on the co-circulation of DENV1-4 serotypes from the E-UP region highlights the requirement of continuous molecular surveillance for monitoring circulating DENV serotypes.
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Affiliation(s)
| | - Pooja Bhardwaj
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Hirawati Deval
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Neha Srivastava
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Rajeev Singh
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Brij Ranjan Misra
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Awdhesh Agrawal
- Division of Pathology, Gorakhnath Hospital, Gorakhpur, Uttar Pradesh, India
| | - Asif Kavathekar
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
| | - Rajni Kant
- ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh, India
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Muacevic A, Adler JR, Pai MO, Kaistha N, Ratho R, Sokeechand N. Dengue Burden and Circulation of Dengue-2 Serotype Among Children Along With Clinical Profiling in Uttarakhand, India: A Cross-Sectional Study From 2018 to 2020. Cureus 2023; 15:e33913. [PMID: 36819345 PMCID: PMC9936569 DOI: 10.7759/cureus.33913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2023] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND The multiple serotypes of the dengue virus (DENV) are always a major public concern for dengue haemorrhagic fever (DHF) and dengue shock syndrome (DSS). OBJECTIVE This study aimed to analyse the demographic characteristics and circulating serotypes of dengue among the paediatric age group. METHODOLOGY One hundred forty-one clinically suspected children were enrolled in the study from 2018 to 2020 in a tertiary care hospital in Uttarakhand, India. Central tendency, frequency, and One-Way ANOVA were measured for continuous and categorical data. The Shapiro-Wilks test was used to calculate the normality assumption. Dengue NS1 Ag, IgM, and IgG antibodies ELISA were performed, and NS1-positive samples were further tested for molecular studies. RESULT From one hundred forty-one suspected cases, 100 (70.92%) came positive for dengue NS1 antigen, 18 (12.76%), and three (2.12%) came positive for IgM and IgG antibodies respectively. Rest 20 (14.18%) samples came negative for dengue. Fever with chills (97.5%), headache (89%), and arthralgia (82%) were the most common clinical features. Molecular studies showed the dengue serotype-2 (DEN-2) was found in most cases, followed by the dengue-3 serotype (DEN-3). CONCLUSION This is the preliminary study as the authors' best knowledge which demonstrate the burden of dengue in children with prevalent serotypes for consecutive three years in Uttarakhand. This study identifies that the serotype-2 (DEN-2) of the dengue virus was the primary cause of infection in children at the tertiary care hospital in northern India. These results will help further to understand the nature of the disease so that improved patient care management will imply. Further molecular studies on large sample sizes during the endemic would be helpful to gain knowledge of the actual load of the disease and the genetic characteristics of the virus.
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Gupta S, Kumar A. Design of an Epitope-Based Peptide Vaccine Against Dengue Virus Isolate from Eastern Uttar Pradesh, India. Int J Pept Res Ther 2022; 28:91. [PMID: 35463186 PMCID: PMC9014403 DOI: 10.1007/s10989-022-10402-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Siddharth Gupta
- Department of Biotechnology, Faculty of Engineering and Technology, Rama University, G.T. Road, Kanpur, 209217 India
| | - Ajay Kumar
- Department of Biotechnology, Faculty of Engineering and Technology, Rama University, G.T. Road, Kanpur, 209217 India
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Rai P, Kille S, Kotian A, Kumar BK, Deekshit VK, Ramakrishna MS, Karunasagar I, Karunasagar I. Molecular investigation of the dengue outbreak in Karnataka, South India, reveals co-circulation of all four dengue virus serotypes. INFECTION GENETICS AND EVOLUTION 2021; 92:104880. [PMID: 33905893 DOI: 10.1016/j.meegid.2021.104880] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/20/2022]
Abstract
The growing incidence of dengue outbreaks in the state of Karnataka prompted us to study the circulating dengue virus (DENV) and their proportion among the suspected cases of dengue patients during the disease outbreak at Mysuru district of Southern India. The presence of the DENV in a patient's serum sample was identified by RT-PCR using previously published primer pairs targeting CprM gene. DENV serotyping was carried out by semi-nested multiplex PCR using serotype-specific primers and nucleotide sequencing. Three hundred fifty-five samples of serum from suspected dengue cases were collected, and 203 samples (57.18%) were found positives. In 2016, DENV-4 (97.87%) was found to be the most dominant DENV serotype either alone or as co-infection, followed by DENV-2 (8.51%) and DENV-3 (4.25%). In 47 positive cases, co-infection with more than one serotype was detected in 4 cases (8.51%). The analysis of the dengue cases in 2017, DENV-4 was dominating serotype (33.97%), followed by the emergence of DENV-2 (32.05%), DENV-3 (25.64%), and DENV-1 (25.00%). Our study also reports the circulation of all four DENV serotypes in the Mysuru district of Southern India, with concurrent infections rate of 16.66% in 2017. The present study provides information regarding the genetic variation among the circulating DENV serotype in an Indian state of Karnataka. The need for the studying genetic diversity of DENV will be useful during the continuous monitoring for disease burden as well as the development of appropriate prophylactic measures to control the spread of dengue infection.
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Affiliation(s)
- Praveen Rai
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India.
| | - Sonam Kille
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Akshatha Kotian
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Ballamoole Krishna Kumar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Vijaya Kumar Deekshit
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Mysore Shivalingappa Ramakrishna
- 306/A, 3(rd) Stage Main, 9(th) Cross A-1BLOCK Vijay Nagar, 3(rd) Stage, Behind Clear medi Radiant Hospital, Mysuru 570030, Karnataka, India
| | - Indrani Karunasagar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Iddya Karunasagar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
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