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Schuab G, Tosta S, Moreno K, Fonseca V, Santos LA, Slavov SN, Kashima S, Ciccozzi M, Lourenço J, Cella E, de Oliveira C, Cavalcanti AC, Junior Alcantara LC, de Bruycker-Nogueira F, Bispo de Filippis AM, Giovanetti M. Exploring the urban arbovirus landscape in Rio de Janeiro, Brazil: transmission dynamics and patterns of disease spread. LANCET REGIONAL HEALTH. AMERICAS 2024; 35:100786. [PMID: 38846808 PMCID: PMC11152967 DOI: 10.1016/j.lana.2024.100786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/07/2024] [Accepted: 05/13/2024] [Indexed: 06/09/2024]
Abstract
Background This study focuses on urban arboviruses, specifically dengue (DENV), chikungunya (CHIKV), and Zika (ZIKV), which pose a significant public health challenge in Rio de Janeiro state, Southeast Brazil. In our research, we highlight critical findings on the transmission dynamics of these arboviruses in Rio de Janeiro, identifying distinct patterns of disease spread. Methods By combining genomic data with case reports from the Brazilian Ministry of Health, we have analysed the phylogenetics, prevalence and spatial distribution of these endemic viruses within the state. Findings Our results revealed sustained DENV transmission primarily in the northern part of the state, a significant ZIKV epidemic in 2016 affecting all mesoregions, and two major CHIKV outbreaks in 2018 and 2019, predominantly impacting the northern and southern areas. Our analysis suggests an inverse relationship between arboviral case incidence and urban density, with less populous regions experiencing higher transmission rates, potentially attributed to a complex interplay of factors such as the efficacy of vector control measures, environmental conditions, local immunity levels, and human mobility. Furthermore, our investigation unveiled distinct age and gender trends among affected individuals. Notably, dengue cases were predominantly observed in young adults aged 32, while chikungunya cases were more prevalent among individuals over 41. In contrast, cases of ZIKV were concentrated around the 33-year age group. Intriguingly, females accounted for nearly 60% of the cases, suggesting a potential gender-based difference in infection rates. Interpretation Our findings underscore the complexity of arbovirus transmission and the need for interventions tailored to different geographical mesoregions. Enhanced surveillance and genomic sequencing will be essential for a deeper, more nuanced understanding of regional arbovirus dynamics. Identifying potential blind spots within the state will be pivotal for developing and implementing more effective public health strategies, specifically designed to address the unique challenges posed by these viruses throughout the state. Funding This study was supported by the National Institutes of Health USA grant U01 AI151698 for the United World Arbovirus Research Network (UWARN) and the CRP-ICGEB RESEARCH GRANT 2020 Project CRP/BRA20-03.
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Affiliation(s)
- Gabriel Schuab
- Universidade Federal do Rio de Janeiro, Duque de Caxias, Rio de Janeiro, Brazil
- Laboratório de Arbovírus e Vírus Hemorrágicos, Instituto Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Stephane Tosta
- Programa Interunidades de Pós-Graduação em Bioinformática, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Keldenn Moreno
- Programa Interunidades de Pós-Graduação em Bioinformática, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Vagner Fonseca
- Department of Exact and Earth Sciences, University of the State of Bahia, Salvador, Brazil
| | | | - Svetoslav Nanev Slavov
- Blood Center of Ribeirão Preto, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- Butantan Institute, São Paulo, Brazil
| | - Simone Kashima
- Blood Center of Ribeirão Preto, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Massimo Ciccozzi
- Unit of Medical Statistics and Molecular Epidemiology, Università Campus Bio-Medico di Roma, Rome, Italy
| | - José Lourenço
- Universidade Católica Portuguesa, Faculdade de Medicina, Biomedical Research Center, Lisboa, Portugal
- Climate Amplified Diseases and Epidemics (CLIMADE), Portugal, Europe
| | - Eleonora Cella
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, 32827, USA
| | - Carla de Oliveira
- Laboratório de Arbovírus e Vírus Hemorrágicos, Instituto Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Ana Maria Bispo de Filippis
- Laboratório de Arbovírus e Vírus Hemorrágicos, Instituto Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marta Giovanetti
- Department of Science and Technology for Humans and the Environment, University of Campus Bio-Medico di Roma, Rome, Italy
- Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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Leng XY, Zhao LZ, Liao L, Jin KH, Feng JM, Zhang FC. Genotype of dengue virus serotype 1 in relation to severe dengue in Guangzhou, China. J Med Virol 2024; 96:e29635. [PMID: 38682660 DOI: 10.1002/jmv.29635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
Guangzhou has been the city most affected by the dengue virus (DENV) in China, with a predominance of DENV serotype 1 (DENV-1). Viral factors such as dengue serotype and genotype are associated with severe dengue (SD). However, none of the studies have investigated the relationship between DENV-1 genotypes and SD. To understand the association between DENV-1 genotypes and SD, the clinical manifestations of patients infected with different genotypes were investigated. A total of 122 patients with confirmed DENV-1 genotype infection were recruited for this study. The clinical manifestations, laboratory tests, and levels of inflammatory mediator factors were statistically analyzed to investigate the characteristics of clinical manifestations and immune response on the DENV-1 genotype. In the case of DENV-1 infection, the incidence of SD with genotype V infection was significantly higher than that with genotype I infection. Meanwhile, patients infected with genotype V were more common in ostealgia and bleeding significantly. In addition, levels of inflammatory mediator factors including IFN-γ, TNF-α, IL-10, and soluble vascular cell adhesion molecule 1 were higher in patients with SD infected with genotype V. Meanwhile, the concentrations of regulated upon activation normal T-cell expressed and secreted and growth-related gene alpha were lower in patients with SD infected with genotype V. The higher incidence of SD in patients infected with DENV-1 genotype V may be attributed to elevated cytokines and adhesion molecules, along with decreased chemokines.
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Affiliation(s)
- Xing-Yu Leng
- Department of Infectious Disease, Guangzhou Medical Research Institute of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
- Guangzhou Medical Research Institute of Infectious Diseases, Institution of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Ling-Zhai Zhao
- Department of Clinical Laboratory, Guangzhou Eighth People's Hospital, Guangzhou Medical Research Institute of Infectious Diseases, Guangzhou Medical University, Guangzhou, China
| | - Lu Liao
- Department of Infectious Disease, Guangzhou Medical Research Institute of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
- Guangzhou Medical Research Institute of Infectious Diseases, Institution of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Kang-Hong Jin
- Department of Infectious Disease, Guangzhou Medical Research Institute of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
- Guangzhou Medical Research Institute of Infectious Diseases, Institution of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Jia-Min Feng
- Guangzhou Medical Research Institute of Infectious Diseases, Institution of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Fu-Chun Zhang
- Department of Infectious Disease, Guangzhou Medical Research Institute of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
- Guangzhou Medical Research Institute of Infectious Diseases, Institution of Infectious Diseases, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
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de Souza CS, Caleiro GS, Claro IM, de Jesus JG, Coletti TM, da Silva CAM, Costa ÂA, Inenami M, Ribeiro AC, Felix AC, de Paula AV, Figueiredo WM, de Albuquerque Luna EJ, Sabino EC, Romano CM. Phylogenetics, Epidemiology and Temporal Patterns of Dengue Virus in Araraquara, São Paulo State. Viruses 2024; 16:274. [PMID: 38400049 PMCID: PMC10892747 DOI: 10.3390/v16020274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 02/25/2024] Open
Abstract
Dengue virus (DENV) is a prominent arbovirus with global spread, causing approximately 390 million infections each year. In Brazil, yearly epidemics follow a well-documented pattern of serotype replacement every three to four years on average. Araraquara, located in the state of São Paulo, has faced significant impacts from DENV epidemics since the emergence of DENV-1 in 2010. The municipality then transitioned from low to moderate endemicity in less than 10 years. Yet, there remains an insufficient understanding of virus circulation dynamics, particularly concerning DENV-1, in the region, as well as the genetic characteristics of the virus. To address this, we sequenced 37 complete or partial DENV-1 genomes sampled from 2015 to 2022 in Araraquara. Then, using also Brazilian and worldwide DENV-1 sequences we reconstructed the evolutionary history of DENV-1 in Araraquara and estimated the time to the most recent common ancestor (tMRCA) for serotype 1, for genotype V and its main lineages. Within the last ten years, there have been at least three introductions of genotype V in Araraquara, distributed in two main lineages (L Ia and L Ib, and L II). The tMRCA for the first sampled lineage (2015/2016 epidemics) was approximately 15 years ago (in 2008). Crucially, our analysis challenges existing assumptions regarding the emergence time of the DENV-1 genotypes, suggesting that genotype V might have diverged more recently than previously described. The presence of the two lineages of genotype V in the municipality might have contributed to the extended persistence of DENV-1 in the region.
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Affiliation(s)
- Caio Santos de Souza
- Laboratório de Virologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (C.S.d.S.); (G.S.C.); (A.C.F.); (A.V.d.P.)
| | - Giovana Santos Caleiro
- Laboratório de Virologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (C.S.d.S.); (G.S.C.); (A.C.F.); (A.V.d.P.)
- Laboratório de Virologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil
| | - Ingra Morales Claro
- Laboratório de Parasitologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (I.M.C.); (J.G.d.J.); (T.M.C.); (C.A.M.d.S.); (E.C.S.)
- MRC Center for Global Infectious Disease Analysis, Imperial College London, London SW7 2AZ, UK
| | - Jaqueline Goes de Jesus
- Laboratório de Parasitologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (I.M.C.); (J.G.d.J.); (T.M.C.); (C.A.M.d.S.); (E.C.S.)
- Instituto Oswaldo Cruz, Salvador 21040-900, BA, Brazil
| | - Thaís Moura Coletti
- Laboratório de Parasitologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (I.M.C.); (J.G.d.J.); (T.M.C.); (C.A.M.d.S.); (E.C.S.)
| | - Camila Alves Maia da Silva
- Laboratório de Parasitologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (I.M.C.); (J.G.d.J.); (T.M.C.); (C.A.M.d.S.); (E.C.S.)
| | - Ângela Aparecida Costa
- Serviço Especial de Saúde de Araraquara-SESA, Faculdade de Saúde Pública da USP, São Paulo 01246-904, SP, Brazil; (Â.A.C.); (M.I.); (A.C.R.); (W.M.F.)
| | - Marta Inenami
- Serviço Especial de Saúde de Araraquara-SESA, Faculdade de Saúde Pública da USP, São Paulo 01246-904, SP, Brazil; (Â.A.C.); (M.I.); (A.C.R.); (W.M.F.)
| | - Andreia C. Ribeiro
- Serviço Especial de Saúde de Araraquara-SESA, Faculdade de Saúde Pública da USP, São Paulo 01246-904, SP, Brazil; (Â.A.C.); (M.I.); (A.C.R.); (W.M.F.)
| | - Alvina Clara Felix
- Laboratório de Virologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (C.S.d.S.); (G.S.C.); (A.C.F.); (A.V.d.P.)
| | - Anderson Vicente de Paula
- Laboratório de Virologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (C.S.d.S.); (G.S.C.); (A.C.F.); (A.V.d.P.)
| | - Walter M. Figueiredo
- Serviço Especial de Saúde de Araraquara-SESA, Faculdade de Saúde Pública da USP, São Paulo 01246-904, SP, Brazil; (Â.A.C.); (M.I.); (A.C.R.); (W.M.F.)
| | - Expedito José de Albuquerque Luna
- Departamento de Medicina Preventiva/Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil;
| | - Ester C. Sabino
- Laboratório de Parasitologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (I.M.C.); (J.G.d.J.); (T.M.C.); (C.A.M.d.S.); (E.C.S.)
| | - Camila M. Romano
- Laboratório de Virologia, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo 05403-000, SP, Brazil; (C.S.d.S.); (G.S.C.); (A.C.F.); (A.V.d.P.)
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo 05403-010, SP, Brazil
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Gularte JS, Sacchetto L, Demoliner M, Girardi V, da Silva MS, Filippi M, Pereira VMDAG, Hansen AW, da Silva LL, Fleck JD, de Almeida PR, Nogueira ML, Spilki FR. DENV-1 genotype V linked to the 2022 dengue epidemic in Southern Brazil. J Clin Virol 2023; 168:105599. [PMID: 37751628 DOI: 10.1016/j.jcv.2023.105599] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 08/31/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
Even though Brazil is a country where the dengue virus (DENV) is endemic, until recently, Southern states did not have significant viral circulation, such as Rio Grande do Sul (RS), and some municipalities were even considered dengue-free. During 2022, these places have shown a sharp increase in the incidence of the disease, apparently following a worldwide growth pattern. Therefore, in this study, we monitor and characterize the genetic diversity of DENV circulating in southern Brazil through next-generation sequencing during an outbreak in 2022. We generated 70 DENV-1 genome sequences, all characterized as genotype V, divided into two clade clusters in the L1 lineage. Furthermore, unique mutations have been described in each clade of L1 lineage. Our results are essential in managing outbreaks since these data provide important information during the emergence of DENV circulation in RS. Since the south of Brazil has a lower viral circulation when compared to other Brazilian states, RS still lacks data that can help in understanding the transmission, dissemination, and evolution of the dengue virus. Hence, genomic surveillance efforts are essential to increase the accuracy of preventive actions and to control viral dissemination.
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Affiliation(s)
- Juliana Schons Gularte
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil.
| | - Lívia Sacchetto
- Faculdade de Medicina de São José do Rio Preto, Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Laboratório de Pesquisas em Virologia. Avenida Brigadeiro Faria Lima, 5416, Vila São José, CEP 15090000, São José do Rio Preto, SP, Brazil
| | - Meriane Demoliner
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | - Viviane Girardi
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | - Mariana Soares da Silva
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | - Micheli Filippi
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | | | - Alana Witt Hansen
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | | | - Juliane Deise Fleck
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | - Paula Rodrigues de Almeida
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
| | - Maurício Lacerda Nogueira
- Faculdade de Medicina de São José do Rio Preto, Departamento de Doenças Dermatológicas, Infecciosas e Parasitárias, Laboratório de Pesquisas em Virologia. Avenida Brigadeiro Faria Lima, 5416, Vila São José, CEP 15090000, São José do Rio Preto, SP, Brazil; Department of Pathology, The University of Texas Medical Branch, Galveston, TX, United States of America
| | - Fernando Rosado Spilki
- Universidade Feevale, Laboratório de Microbiologia Molecular, Rodovia ERS-239, n° 2755, Vila Nova, CEP 93525-075, Novo Hamburgo, RS, Brazil
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de Souza UJB, Macedo YDSM, dos Santos RN, Cardoso FDP, Galvão JD, Gabev EE, Franco AC, Roehe PM, Spilki FR, Campos FS. Circulation of Dengue Virus Serotype 1 Genotype V and Dengue Virus Serotype 2 Genotype III in Tocantins State, Northern Brazil, 2021-2022. Viruses 2023; 15:2136. [PMID: 38005815 PMCID: PMC10674946 DOI: 10.3390/v15112136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 11/26/2023] Open
Abstract
In Brazil, the state of Tocantins, located in north-central Brazil, has experienced a significant number of cases of arboviral disease, particularly Dengue virus (DENV). This study aimed to deepen the knowledge on DENV circulation within that state by conducting full genome sequencing of viral genomes recovered from 61 patients between June 2021 and July 2022. There were a total of 8807 and 20,692 cases in 2021 and 2022, respectively, as reported by the state's Secretary of Health. Nucleotide sequencing confirmed the circulation of DENV serotype 1, genotype V and DENV serotype 2, genotype III in the State. Younger age groups (4 to 43 years old) were mostly affected; however, no significant differences were detected regarding the gender distribution of cases in humans. Phylogenetic analysis revealed that the circulating viruses belong to DENV-1 genotype V American and DENV-2 genotype III Southeast Asian/American. The Bayesian analysis of DENV-1 genotype V genomes sequenced here are closely related to genomes previously sequenced in the state of São Paulo. Regarding the DENV-2 genotype III genomes, these clustered in a distinct, well-supported subclade, along with previously reported isolates from the states of Goiás and São Paulo. The findings reported here suggest that multiple introductions of these genotypes occurred in the Tocantins state. This observation highlights the importance of major population centers in Brazil on virus dispersion, such as those observed in other Latin American and North American countries. In the SNP analysis, DENV-1 displayed 122 distinct missense mutations, while DENV-2 had 44, with significant mutations predominantly occurring in the envelope and NS5 proteins. The analyses performed here highlight the concomitant circulation of distinct DENV-1 and -2 genotypes in some Brazilian states, underscoring the dynamic evolution of DENV and the relevance of surveillance efforts in supporting public health policies.
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Affiliation(s)
- Ueric José Borges de Souza
- Bioinformatics and Biotechnology Laboratory, Campus of Gurupi, Federal University of Tocantins, Gurupi 77410-570, Brazil; (Y.d.S.M.M.); (R.N.d.S.)
| | - Ygor da Silva Miranda Macedo
- Bioinformatics and Biotechnology Laboratory, Campus of Gurupi, Federal University of Tocantins, Gurupi 77410-570, Brazil; (Y.d.S.M.M.); (R.N.d.S.)
| | - Raíssa Nunes dos Santos
- Bioinformatics and Biotechnology Laboratory, Campus of Gurupi, Federal University of Tocantins, Gurupi 77410-570, Brazil; (Y.d.S.M.M.); (R.N.d.S.)
| | | | - Jucimária Dantas Galvão
- Central Public Health Laboratory of the State of Tocantins, Palmas 77054-970, Brazil; (F.D.P.C.); (J.D.G.)
| | - Evgeni Evgeniev Gabev
- Department of Physiology and Pathophysiology, Medical University of Sofia, 1431 Sofia, Bulgaria;
| | - Ana Cláudia Franco
- Virology Laboratory, Department of Microbiology, Immunology, and Parasitology, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90050-170, Brazil; (A.C.F.); (P.M.R.)
| | - Paulo Michel Roehe
- Virology Laboratory, Department of Microbiology, Immunology, and Parasitology, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90050-170, Brazil; (A.C.F.); (P.M.R.)
| | | | - Fabrício Souza Campos
- Bioinformatics and Biotechnology Laboratory, Campus of Gurupi, Federal University of Tocantins, Gurupi 77410-570, Brazil; (Y.d.S.M.M.); (R.N.d.S.)
- Virology Laboratory, Department of Microbiology, Immunology, and Parasitology, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90050-170, Brazil; (A.C.F.); (P.M.R.)
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de França Cirilo MV, Pour SZ, de Fatima Benedetti V, Farias JP, Fogaça MMC, da Conceição Simões R, Vidal PO, Birbrair A, de Andrade Zanotto PM, Luiz WB, Amorim JH. Co-circulation of Chikungunya virus, Zika virus, and serotype 1 of Dengue virus in Western Bahia, Brazil. Front Microbiol 2023; 14:1240860. [PMID: 37680530 PMCID: PMC10482036 DOI: 10.3389/fmicb.2023.1240860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/03/2023] [Indexed: 09/09/2023] Open
Abstract
Chikungunya, mayaro, dengue, zika, and yellow fever are mosquito-borne viral diseases caused, respectively, by Chikungunya virus, Mayaro virus (CHIKV and MAYV, respectively: Togaviridae: Alphavirus), Dengue virus, Zika virus, and Yellow fever virus (DENV, ZIKV, and YFV, respectively: Flaviviridae: Flavivirus). These viruses have an important epidemiological impact worldwide, especially in Brazil. Western Bahia is one of the less studied regions in that country regarding the circulation of these pathogens. In this study, we aimed to apply molecular biology assays to better know the mosquito-borne viruses circulating in Barreiras and Luís Eduardo Magalhães, two main cities of Western Bahia. From March to June 2021, we enrolled 98 patients with the clinical diagnosis of dengue. Personal information (gender and age) were retrieved at the moment of enrollment. Serum samples were obtained from volunteers and used in molecular detection of CHIKV, MAYV, DENV, ZIKV, and YFV by reverse transcription followed by real-time polymerase chain reaction as well as in genome sequencing aiming phylogenetic analysis. As the main result, we found that from the 98 patients 45 were infected by CHIKV, 32 were infected by serotype 1 of DENV (DENV-1) and six were infected by ZIKV, while 15 were negative for all arboviruses tested. In addition, phylogenetic analysis revealed that all CHIKV-positive samples were of the East/Central/South African (ECSA) genotype, while all DENV-1-positive samples were of the V genotype. These results clearly show that epidemiological surveillance cannot be based only on clinical evaluations. Laboratory diagnosis is important in arbovirus infection that are prevalent in a particular area. These findings also demonstrate the co-circulation of many arboviruses in Western Bahia in 2021.
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Affiliation(s)
- Marcus Vinicius de França Cirilo
- Western Bahia Virology Institute, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
| | - Shahab Zaki Pour
- Laboratory of Molecular Evolution and Bioinformatics, Department of Microbiology, University of Sao Paulo, Sao Paulo, Brazil
| | - Viviane de Fatima Benedetti
- Laboratory of Molecular Evolution and Bioinformatics, Department of Microbiology, University of Sao Paulo, Sao Paulo, Brazil
| | - Jéssica Pires Farias
- Western Bahia Virology Institute, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
| | - Mayanna Moreira Costa Fogaça
- Western Bahia Virology Institute, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
| | - Rafael da Conceição Simões
- Laboratory of Biochemistry and Plant Physiology, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
| | - Paloma Oliveira Vidal
- Western Bahia Virology Institute, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
| | - Alexander Birbrair
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | | | - Wilson Barros Luiz
- Laboratory of Applied Pathology and Genetics, Department of Biological Sciences, State University of Santa Cruz, Ilhéus, Brazil
| | - Jaime Henrique Amorim
- Western Bahia Virology Institute, Center of Biological Sciences and Health, Federal University of Western Bahia, Barreiras, Brazil
- Laboratory of Molecular Evolution and Bioinformatics, Department of Microbiology, University of Sao Paulo, Sao Paulo, Brazil
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Rahim R, Hasan A, Phadungsombat J, Hasan N, Ara N, Biswas SM, Nakayama EE, Rahman M, Shioda T. Genetic Analysis of Dengue Virus in Severe and Non-Severe Cases in Dhaka, Bangladesh, in 2018-2022. Viruses 2023; 15:v15051144. [PMID: 37243230 DOI: 10.3390/v15051144] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/07/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Dengue virus (DENV) infections have unpredictable clinical outcomes, ranging from asymptomatic or minor febrile illness to severe and fatal disease. The severity of dengue infection is at least partly related to the replacement of circulating DENV serotypes and/or genotypes. To describe clinical profiles of patients and the viral sequence diversity corresponding to non-severe and severe cases, we collected patient samples from 2018 to 2022 at Evercare Hospital Dhaka, Bangladesh. Serotyping of 495 cases and sequencing of 179 cases showed that the dominant serotype of DENV shifted from DENV2 in 2017 and 2018 to DENV3 in 2019. DENV3 persisted as the only representative serotype until 2022. Co-circulation of clades B and C of the DENV2 cosmopolitan genotype in 2017 was replaced by circulation of clade C alone in 2018 with all clones disappearing thereafter. DENV3 genotype I was first detected in 2017 and was the only genotype in circulation until 2022. We observed a high incidence of severe cases in 2019 when the DENV3 genotype I became the only virus in circulation. Phylogenetic analysis revealed clusters of severe cases in several different subclades of DENV3 genotype I. Thus, these serotype and genotype changes in DENV may explain the large dengue outbreaks and increased severity of the disease in 2019.
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Affiliation(s)
- Rummana Rahim
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | - Abu Hasan
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | | | - Nazmul Hasan
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | - Nikhat Ara
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | - Suma Mita Biswas
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | - Emi E Nakayama
- Research Institute for Microbial Diseases, Osaka University, Suita 565-0781, Japan
| | - Mizanur Rahman
- Evercare Hospital Dhaka (Ex Apollo Hospitals Dhaka), Plot-81, Block-E, Bashundhara R/A, Dhaka 1229, Bangladesh
| | - Tatsuo Shioda
- Research Institute for Microbial Diseases, Osaka University, Suita 565-0781, Japan
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8
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Flichman DM, Pereson MJ, Baré P, Espindola SL, Carballo GM, Albrecht A, Agote F, Alter A, Bartoli S, Blanco S, Blejer J, Borda M, Bouzon N, Carrizo LH, Etcheverry L, Fernandez R, Reyes MIF, Gallego S, Hahn R, Luna SG, Marranzino G, Romanazzi JS, Rossi A, Troffe A, Lin CC, Martínez AP, García G, DI Lello FA. Epidemiology of Dengue in Argentina: Antibodies seroprevalence in blood donors and circulating serotypes. J Clin Virol 2022; 147:105078. [PMID: 34999567 DOI: 10.1016/j.jcv.2022.105078] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/14/2021] [Accepted: 01/03/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Diego M Flichman
- Instituto de Investigaciones Biomédicas en Retrovirus y Síndrome de Inmunodeficiencia Adquirida (INBIRS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina
| | - Matías J Pereson
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Patricia Baré
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Medicina Experimental (IMEX), Academia Nacional de Medicina, Ciudad Autónoma de Buenos Aires, Argentina
| | - Sonia Lorena Espindola
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Laboratorio GIGA, Instituto de Biología Subtropical (IBS), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones (UNaM), Misiones, Argentina
| | | | - Andrés Albrecht
- Laboratorio Mega Rafaela, Departamento de Enfermedades Transmisibles por Transfusión, Santa Fe, Argentina
| | - Felicitas Agote
- Banco Central de Sangre "Dr. César Guerra", Tucumán (PRIS-SI.PRO.SA), Argentina
| | - Adriana Alter
- Fundación Hemocentro Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Sonia Bartoli
- Centro regional de Hemoterapia Jujuy, San Salvador de Jujuy, Jujuy, Argentina
| | - Sebastián Blanco
- Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Córdoba, Argentina; Fundación Banco Central de Sangre, Córdoba, Córdoba, Argentina
| | - Jorgelina Blejer
- Fundación Hemocentro Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Marcelo Borda
- Servicio de Hemoterapia, Instituto de Cardiología de Corrientes "Juana F. Cabral", Corrientes, Argentina
| | - Néstor Bouzon
- Banco de Sangre Bouzon, Santiago del Estero, Argentina
| | - Luis H Carrizo
- Fundación Banco Central de Sangre, Córdoba, Córdoba, Argentina
| | - Lucrecia Etcheverry
- Programa Provincial de Hemoterapia de Entre Ríos, Paraná, Entre Ríos, Argentina
| | - Roberto Fernandez
- Fundación Hemocentro Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - María Inés Figueroa Reyes
- Laboratorio de Detección de Infecciones Transmisibles por Transfusión del Centro Regional de Hemoterapia, Salta, Argentina
| | - Sandra Gallego
- Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Córdoba, Argentina; Fundación Banco Central de Sangre, Córdoba, Córdoba, Argentina
| | - Romina Hahn
- Banco de Sangre, Tejidos y Biológicos de la Provincia de Misiones, Misiones, Argentina
| | - Silvana Gisela Luna
- Laboratorio de Detección de Infecciones Transmisibles por Transfusión del Centro Regional de Hemoterapia, Salta, Argentina
| | - Gabriela Marranzino
- Banco Central de Sangre "Dr. César Guerra", Tucumán (PRIS-SI.PRO.SA), Argentina
| | | | - Ariel Rossi
- Servicio Hemoterapia, Hospital Delicia C. Masvernat, Concordia, Entre Ríos, Argentina
| | - Antonia Troffe
- Hospital Interzonal General de Agudos "San Felipe", San Nicolás, Argentina
| | - Chang-Chi Lin
- Institute of Preventive Medicine, National Defense Medical Center, Taipei City, Taiwan (Province of China)
| | - Alfredo P Martínez
- Sección Virología, Centro de Educación Médica e Investigaciones Clínicas Norberto Quirno "CEMIC", Ciudad Autónoma de Buenos Aires, Argentina
| | - Gabriel García
- Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Federico A DI Lello
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.
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9
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Gräf T, Vazquez C, Giovanetti M, de Bruycker-Nogueira F, Fonseca V, Claro IM, de Jesus JG, Gómez A, Xavier J, de Mendonça MCL, Villalba S, Torales J, Gamarra ML, Thézé J, de Filippis AMB, Azevedo V, de Oliveira T, Franco L, de Albuquerque CFC, Irala S, Holmes EC, Méndez Rico JA, Alcantara LCJ. Epidemiologic History and Genetic Diversity Origins of Chikungunya and Dengue Viruses, Paraguay. Emerg Infect Dis 2021; 27:1393-1404. [PMID: 33900172 PMCID: PMC8084490 DOI: 10.3201/eid2705.204244] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Paraguay has been severely affected by emergent Zika and chikungunya viruses, and dengue virus is endemic. To learn more about the origins of genetic diversity and epidemiologic history of these viruses in Paraguay, we deployed portable sequencing technologies to strengthen genomic surveillance and determine the evolutionary and epidemic history of arthropod-borne viruses (arboviruses). Samples stored at the Paraguay National Central Laboratory were sequenced and subjected to phylogenetic analysis. Among 33 virus genomes generated, we identified 2 genotypes of chikungunya and 2 serotypes of dengue virus that circulated in Paraguay during 2014–2018; the main source of these virus lineages was estimated to be Brazil. The evolutionary history inferred by our analyses precisely matched the available travel history of the patients. The genomic surveillance approach used was valuable for describing the epidemiologic history of arboviruses and can be used to determine the origins and evolution of future arbovirus outbreaks.
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10
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Carrillo-Hernandez MY, Ruiz-Saenz J, Jaimes-Villamizar L, Robledo-Restrepo SM, Martinez-Gutierrez M. Phylogenetic and evolutionary analysis of dengue virus serotypes circulating at the Colombian-Venezuelan border during 2015-2016 and 2018-2019. PLoS One 2021; 16:e0252379. [PMID: 34048474 PMCID: PMC8162668 DOI: 10.1371/journal.pone.0252379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 05/15/2021] [Indexed: 02/06/2023] Open
Abstract
Dengue is an endemic disease in Colombia. Norte de Santander is a region on the border of Colombia and Venezuela and has reported the co-circulation and simultaneous co-infection of different serotypes of the dengue virus (DENV). This study aimed to conduct a phylogenetic analysis on the origin and genetic diversity of DENV strains circulating in this bordering region. Serum samples were collected from patients who were clinically diagnosed with febrile syndrome associated with dengue during two periods. These samples were tested for DENV and serotyping was performed using reverse transcriptase-polymerase chain reaction. Subsequently, positive samples were amplified and the envelope protein gene of DENV was sequenced. Phylogenetic and phylogeographic analyses were performed using the sequences obtained. Basic local alignment search tool analysis confirmed that six and eight sequences belonged to DENV-1 and DENV-2, respectively. The phylogenetic analysis of DENV-1 showed that the sequences belonged to genotype V and clade I; they formed two groups: in the first group, two sequences showed a close phylogenetic relationship with strains from Ecuador and Panama, whereas the other four sequences were grouped with strains from Venezuela and Colombia. In the case of DENV-2, the analysis revealed that the sequences belonged to the Asian–American genotype and clade III. Furthermore, they formed two groups; in the first group, three sequences were grouped with strains from Colombia and Venezuela, whereas the other five were grouped with strains from Venezuela, Colombia and Honduras. This phylogenetic analysis suggests that the geographical proximity between Colombia and Venezuela is favourable for the export and import of different strains among serotypes or clades of the same DENV serotype, which could favour the spread of new outbreaks caused by new strains or genetic variants of this arbovirus. Therefore, this information highlights the importance of monitoring the transmission of DENV at border regions.
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Affiliation(s)
- Marlen Yelitza Carrillo-Hernandez
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia
- Programa de Estudio y Control de Enfermedades Tropicales-PECET, Universidad de Antioquia, Medellín, Colombia
| | - Julian Ruiz-Saenz
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia
| | | | - Sara Maria Robledo-Restrepo
- Programa de Estudio y Control de Enfermedades Tropicales-PECET, Universidad de Antioquia, Medellín, Colombia
| | - Marlen Martinez-Gutierrez
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia
- * E-mail:
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11
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Adaptive Evolution of New Variants of Dengue Virus Serotype 1 Genotype V Circulating in the Brazilian Amazon. Viruses 2021; 13:v13040689. [PMID: 33923511 PMCID: PMC8072778 DOI: 10.3390/v13040689] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/04/2021] [Accepted: 04/12/2021] [Indexed: 01/04/2023] Open
Abstract
Dengue virus (DENV) is a mosquito-borne viral pathogen that plagues many tropical-climate nations around the world, including Brazil. Molecular epidemiology is a growing and increasingly invaluable tool for understanding the dispersal, persistence, and diversity of this impactful virus. In this study, plasma samples (n = 824) from individuals with symptoms consistent with an arboviral febrile illness were analyzed to identity the molecular epidemiological dynamics of DENV circulating in the Brazilian state of Amapá. Twelve DENV type 1 (DENV-1) genomes were identified, which were phylogenetically related to the BR4 lineage of genotype V. Phylodynamics analysis suggested that DENV-1 BR-4 was introduced into Amapá around early 2010, possibly from other states in northern Brazil. We also found unique amino acids substitutions in the DENV-1 envelope and NS5 protein sequences in the Amapá isolates. Characterization of the DENV-1 BR-4 sequences highlights the potential of this new lineage to drive outbreaks of dengue in the Amazon region.
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12
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Cabral AD, Oliveira LPRD, Molina JSTDO, Carmo AMDS, Suzuki RB, Oliveira CMD, Martins LPA, Prudencio CR, Eterovic A, Sperança MA. Epidemiological and genetic aspects of the largest dengue outbreak recorded in 2015 in Southeastern Brazil. Rev Inst Med Trop Sao Paulo 2021; 63:e17. [PMID: 33787737 PMCID: PMC7997670 DOI: 10.1590/s1678-9946202163017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 01/12/2021] [Indexed: 11/22/2022] Open
Abstract
Dengue virus, the etiological agent of dengue fever (DF) occurs in four
genetically distinct serotypes (DENV1-4), being transmitted by female
Aedes mosquitoes. DF incidence is increasing in Brazil,
following vector dispersal, proliferation and DENV serotypes introduction,
co-circulation and substitution. Medium- and small-sized cities in Sao Paulo
State, such as Marilia (Midwest region), have been affected by huge epidemics.
To understand the evolution of DENV epidemics in medium-sized cities, in this
study a historical data on DENV incidence (2000-2015) in Marilia, was evaluated.
Previous studies disclosed regional and specific DF outcomes associated with
2007 outbreak in that city, when co-circulating DENV1 and DENV3 presented
different hematological profiles. In this study, characteristics of 2007 DENV
epidemics were compared to the epidemiological, hematological and demographic
outlines of the major outbreak of DENV1 in Marilia in 2015. DENV1 genetic
diversity was assessed through capsid and pre-membrane junction encoding gene
(CprM) sequencing. The results revealed circulation of DENV1 serotype from 2007
to 2015, with epidemics occurring every three-years until 2013 and then,
increasing yearly. There were significant differences in hematological profiles
of DENV1 patients between 2015 and 2007. CprM showed DENV1 genetic variability
in 2015, contrasting with the unique sequence pattern in 2007. These results
reinforce the regional and temporal characteristics of DENV epidemics that need
local public health research to improve care for people and to limit the spread
of new serotypes/genotypes to uninfected areas.
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Affiliation(s)
- Aline Diniz Cabral
- Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, São Bernardo do Campo, São Paulo, Brazil.,Instituto Adolfo Lutz, Centro de Imunologia, São Paulo, São Paulo, Brazil
| | | | | | - Andreia Moreira Dos Santos Carmo
- Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, São Bernardo do Campo, São Paulo, Brazil.,Instituto Adolfo Lutz; Centro de Laboratório Regional VIII, Santo André, São Paulo, Brazil
| | - Rodrigo Buzinaro Suzuki
- Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, São Bernardo do Campo, São Paulo, Brazil.,Faculdade de Medicina de Marilia, Disciplina de Parasitologia, Marília, São Paulo, Brazil.,Universidade de Marilia, Faculdade de Medicina, Marília, São Paulo, Brazil
| | | | | | | | - André Eterovic
- Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, Santo André, São Paulo, Brazil
| | - Márcia Aparecida Sperança
- Universidade Federal do ABC, Centro de Ciências Naturais e Humanas, São Bernardo do Campo, São Paulo, Brazil
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13
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Ricas Rezende H, Malta Romano C, Morales Claro I, Santos Caleiro G, Cerdeira Sabino E, Felix AC, Bissoli J, Hill S, Rodrigues Faria N, Cardoso da Silva TC, Brioschi Santos AP, Cerutti Junior C, Vicente CR. First report of Aedes albopictus infected by Dengue and Zika virus in a rural outbreak in Brazil. PLoS One 2020; 15:e0229847. [PMID: 32163449 PMCID: PMC7067471 DOI: 10.1371/journal.pone.0229847] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 02/14/2020] [Indexed: 01/05/2023] Open
Abstract
In Brazil, Dengue (DENV) and Zika (ZIKV) viruses are reported as being transmitted exclusively by Aedes aegypti in urban settings. This study established the vectors and viruses involved in an arbovirus outbreak that occurred in 2019 in a rural area of Espírito Santo state, Brazil. Mosquitoes collected were morphologically identified, sorted in samples, and submitted to molecular analysis for arboviruses detection. Phylogenetic reconstruction was performed for the viral sequence obtained. All 393 mosquitoes were identified as Aedes albopictus. DENV-1 genotype V was present in one sample and another sample was positive for ZIKV. The DENV-1 clustered with viruses that have circulated in previous years in large urban centers of different regions in Brazil. This is the first report of A. albopictus infected by DENV and ZIKV during an outbreak in a rural area in Brazil, indicating its involvement in arboviral transmission. The DENV-1 strain found in the A. albopictus was not new in Brazil, being involved previously in epidemics related to A. aegypti, suggesting the potential to A. albopictus in transmitting viruses already circulating in the Brazilian population. This finding also indicates the possibility of these viruses to disperse across urban and rural settings, imposing additional challenges for the control of the diseases.
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Affiliation(s)
- Helder Ricas Rezende
- Núcleo de Entomologia e Malacologia, Secretaria de Estado da Saúde do Espírito Santo, Serra, Espírito Santo State, Brazil
| | - Camila Malta Romano
- Hospital das Clínicas HCFMUSP (LIM52), Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo State, Brazil
| | - Ingra Morales Claro
- Departamento de Moléstias Infecciosas e Parasitárias, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo State, Brazil
| | - Giovana Santos Caleiro
- Instituto de Medicina Tropical de São Paulo, Universidade de São Paulo, São Paulo, São Paulo State, Brazil
| | - Ester Cerdeira Sabino
- Departamento de Moléstias Infecciosas e Parasitárias, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo State, Brazil
| | - Alvina Clara Felix
- Instituto de Medicina Tropical de São Paulo, Universidade de São Paulo, São Paulo, São Paulo State, Brazil
| | - Jefferson Bissoli
- Vigilância em Saúde, Secretaria Municipal de Saúde de Linhares, Linhares, Espírito Santo State, Brazil
| | - Sarah Hill
- Department of Zoology, University of Oxford, Oxford, United Kingdom
| | | | | | - Ana Paula Brioschi Santos
- Vigilância em Saúde, Secretaria de Estado da Saúde do Espírito Santo, Vitória, Espírito Santo State, Brazil
| | - Crispim Cerutti Junior
- Departamento de Medicina Social, Programa de Pós-Graduação em Doenças Infecciosas, Universidade Federal do Espírito Santo, Vitória, Espírito Santo State, Brazil
| | - Creuza Rachel Vicente
- Departamento de Medicina Social, Programa de Pós-Graduação em Doenças Infecciosas, Universidade Federal do Espírito Santo, Vitória, Espírito Santo State, Brazil
- * E-mail:
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14
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Gutiérrez-Barbosa H, Castañeda NY, Castellanos JE. Differential replicative fitness of the four dengue virus serotypes circulating in Colombia in human liver Huh7 cells. Braz J Infect Dis 2019; 24:13-24. [PMID: 31843340 PMCID: PMC9392035 DOI: 10.1016/j.bjid.2019.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 11/12/2019] [Accepted: 11/24/2019] [Indexed: 12/20/2022] Open
Abstract
Dengue has been a significant public health problem in Colombia since the simultaneous circulation of the four dengue virus serotypes. The replicative fitness of dengue is a biological feature important for virus evolution and contributes to elucidating the behavior of virus populations and viral pathogenesis. However, it has not yet been studied in Colombian isolates. This study aimed to compare the replicative fitness of the four dengue virus serotypes and understand the association between the serotypes, their in vitro infection ability, and their replication in target cells. We used three isolates of each DENV serotype to infect Huh-7 cells at an MOI of 0.5. The percentage of infected cells was evaluated by flow cytometry, cell viability was evaluated by MTT assay, and the pathogenicity index was calculated as a ratio of both parameters. The replicative fitness was measured by the number of viral genome copies produced using quantitative PCR and the production of infectious viral progeny was measured by plaque assay. We showed that Huh-7 cells were susceptible to infection with all the different strain isolates. Nevertheless, the biological characteristics, such as infectious ability and cell viability, were strain-dependent. We also found different degrees of pathogenicity between strains of the four serotypes, representative of the heterogeneity displayed in the circulating population. When we analyzed the replicative fitness using the mean values obtained from RT-qPCR and plaque assay for the different strains, we found serotype-dependent behavior. The highest mean values of replicative fitness were obtained for DENV-1 (log 4.9 PFU/ml) and DENV-4 (log 5.28 PFU/ml), followed by DENV-2 (log 3.9 PFU/ml) and DENV-3 (log 4.31 PFU/ml). The internal heterogeneity of the replicative fitness within each serotype could explain the simultaneous circulation of the four DENV serotypes in Colombia.
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