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Improper handling of vomitus as a risk factor in the human norovirus outbreak in a kindergarten in Wuyi County, Zhejiang Province, China. Epidemiol Infect 2022; 150:e111. [PMID: 35578778 PMCID: PMC9214846 DOI: 10.1017/s0950268822000826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Virological and Epidemiological Features of Norovirus Infections in Brazil, 2017-2018. Viruses 2021; 13:v13091724. [PMID: 34578304 PMCID: PMC8472875 DOI: 10.3390/v13091724] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/09/2021] [Accepted: 08/13/2021] [Indexed: 12/19/2022] Open
Abstract
Noroviruses are considered an important cause of acute gastroenteritis (AGE) across all age groups. Here, we investigated the incidence of norovirus, genotypes circulation, and norovirus shedding in AGE stool samples from outpatients in Brazil. During a two-year period, 1546 AGE stool samples from ten Brazilian states were analyzed by RT-qPCR to detect and quantify GI and GII noroviruses. Positive samples were genotyped by dual sequencing using the ORF1/2 junction region. Overall, we detected norovirus in 32.1% of samples, with a massive predominance of GII viruses (89.1%). We also observed a significant difference between the median viral load of norovirus GI (3.4×105 GC/g of stool) and GII (1.9×107 GC/g). The most affected age group was children aged between 6 and 24 m old, and norovirus infection was detected throughout the year without marked seasonality. Phylogenetic analysis of partial RdRp and VP1 regions identified six and 11 genotype combinations of GI and GII, respectively. GII.4 Sydney[P16] was by far the predominant genotype (47.6%), followed by GII.2[P16], GII.4 Sydney[P31], and GII.6[P7]. We detected, for the first time in Brazil, the intergenogroup recombinant genotype GIX.1[GII.P15]. Our study contributes to the knowledge of norovirus genotypes circulation at the national level, reinforcing the importance of molecular surveillance programs for future vaccine designs.
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Cilli A, Luchs A, Morillo SG, Carmona RDCC, Dos Santos FCP, Maeda AY, Primo D, Pacheco GT, Souza EV, Medeiros RS, Timenetsky MDCST. Surveillance and molecular characterization of human sapovirus in patients with acute gastroenteritis in Brazil, 2010 to 2017. J Clin Virol 2021; 140:104844. [PMID: 33971579 DOI: 10.1016/j.jcv.2021.104844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 04/06/2021] [Accepted: 04/17/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Human sapoviruses (HuSaV) are associated with acute gastroenteritis (AGE), causing sporadic cases and outbreaks in patients worldwide. In Brazil, however, there are few reports describing the prevalence of HuSaV in patients with AGE. OBJECTIVE Describing the diversity of HuSaV in Brazil by detecting and molecularly characterizing HuSaV among patients with AGE during an 8-year period (2010-2017). STUDY DESIGN A total of 3974 stool samples, testing negative for rotavirus (RVA), norovirus (NoV) and human adenovirus (HAdV), were selected and screened for the presence of HuSaV. Nested RT-PCR were performed for a partial region of VP1, sequenced and genetic analyzed for genotyping the positive samples. RESULTS In the current study, the HuSaV prevalence was determined to be 3.7% (149/3974). A higher prevalence, 5.7% (118/2074), was observed in children under 2 years of age. During the surveillance period, 13 outbreaks were detected: 12 outbreaks in children under 3 years old and one outbreak in adults. Among the 149 HuSaV positive cases, 106 samples (71%) were successfully sequenced. The most prevalent genotype found was GI.1 (44.3%), followed by GI.2 (21.7%), GI.3 (3.8%), GI.6 (2.8%), GII.1 (5.7%), GII.2 (8.5%), GII.3 (2.8%), GII.4 (2.8%), GII.5 (5.7%) and GIV.1 (1.9%). Two GIV.1 strains characterized in this study are, to date, the only strains of this genotype reported in Brazil. CONCLUSIONS The present study elucidated the circulation of HuSaV in Brazil and highlight that HuSaV has not assumed an epidemiological importance in the country after the introduction of the RVA vaccine.
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Affiliation(s)
- Audrey Cilli
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil.
| | - Adriana Luchs
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | - Simone G Morillo
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | | | | | - Adriana Y Maeda
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | - Dieli Primo
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | - Gabriela T Pacheco
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | - Ellen V Souza
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
| | - Roberta S Medeiros
- Adolfo Lutz Institute, Virology Centre, Av. Dr Arnaldo, no: 355, São Paulo, SP, Brazil
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Sapovirus detection and quantification in fecal samples from allogeneic hematopoietic stem cell transplant recipients. Virusdisease 2020; 31:374-377. [PMID: 32904858 DOI: 10.1007/s13337-020-00583-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 04/20/2020] [Indexed: 12/14/2022] Open
Abstract
Sapovirus are important agents of acute gastroenteritis (AGE) and they are associated with outbreaks and sporadic cases worldwide. They infect people of all ages, but mainly children, the elderly and immunocompromised individuals are affected. The aim of this study was investigate sapovirus and to determine viral loads in fecal samples from patient undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). Fecal samples were submitted to extraction of the genetic material using a commercial kit, and RT-qPCR TaqMan was used for sapovirus screening and determination of viral loads, using a standard curve with serial dilutions of a recombinant plasmid. Positive samples were sequence by Sanger method. Sapovirus was detected in one patient, 5.3% (1/19). Viral excretion lasted for 16 days. Viral load varied from 1.73 × 106 to 8.97 × 106 GC/g. One of the positive samples was characterized as GI.1 genotype. This is the first study to determine sapovirus loads in samples from allo-HSCT and to identify GI.1 genotype in immunocompromised patients.
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Ibrahim C, Hammami S, Chérif N, Mejri S, Pothier P, Hassen A. Detection of Sapoviruses in two biological lines of Tunisian hospital wastewater treatment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2019; 29:400-413. [PMID: 30474395 DOI: 10.1080/09603123.2018.1546835] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
The efficiency of rotating biodisks and natural oxidizing lagoon procedures is investigated at a Tunisian semi-industrial pilot plant, El Menzeh I, where the wastewater is mainly provided by three different neighbouring hospital clinics. Throughout 2011, 102 wastewater samples were collected from the two mentioned wastewater treatment procedures. Results showed that the Sapovirus (SaV) frequency was approximately 29.4% using the real-time reverse transcription polymerase chain reaction (RT-PCR) technique, and about 16.6% using the conventional RT-PCR. Also, the SaV genogroups and genotypes were identified and genotyping revealed that all of the four Tunisian SaV strains obtained belonged to the two genogroups GIV.1 and GGI.3. In addition, two new genotypes, D and C, were detected. A moderate decrease in the SaV frequencies was observed at the exit of the two treatment processes and the SaV removal rate was around 90% in the natural oxidizing lagoons and 94% in the rotating biodisks procedure showing the temperate sensitivity of these viruses to the implemented biological wastewater. Therefore, an urgent disinfection process should be implemented downstream of the two biological treatment procedures for safe release of treated effluent in the different natural environments. Abbreviations: NoV: Noroviruses; SaV: Sapoviruses; EC: Electrical Conductivity; COD: Chemical Oxygen Demand; BOD5: Biological Oxygen Demand; SS: Suspended Solids; NH4-N: Ammonium Nitrogen; P-PO4: Ortho-Phosphate; AlCl3: aluminum chloride.
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Affiliation(s)
- Chourouk Ibrahim
- a Faculty of Mathematical, Physical and Natural Sciences of Tunis , University of Tunis El Manar , Tunis , Tunisia
- b Laboratory of Treatment and Wastewater Valorization, Centre of Research and Water Technologies (CERTE) , Techno Park of Borj-Cedria 8020 , Tunis , Tunisia
| | - Salah Hammami
- c National School of Veterinary Medicine at Sidi-Thabet , University of Manouba, Institution of Agricultural Research and Higher Education (IRESA) , Tunis , Tunisia
| | - Nadia Chérif
- d Unit Virology of Marine organisms, Aquaculture Laboratory , National Institute of Sea Science and Technologies , Tunis , Tunisia
| | - Selma Mejri
- e Veterinary Research Institute of Tunisia, Laboratory of Virology , University of Tunis El Manar, Institution of Agricultural Research and Higher Education (IRESA), La Rabta , Tunis , Tunisia
| | - Pierre Pothier
- f National Reference Centre for Enteric Viruses, Laboratory of Virology , University Hospital of Dijon , Dijon , France
| | - Abdennaceur Hassen
- a Faculty of Mathematical, Physical and Natural Sciences of Tunis , University of Tunis El Manar , Tunis , Tunisia
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Cilli A, Luchs A, Leal E, Gill D, Milagres FADP, Komninakis SV, Brustulin R, Teles MDAR, Lobato MCABS, Chagas RTD, Abrão MDFNDS, Soares CVDDA, Deng X, Delwart E, Sabino EC, da Costa AC. Human sapovirus GI.2 and GI.3 from children with acute gastroenteritis in northern Brazil. Mem Inst Oswaldo Cruz 2019; 114:e180574. [PMID: 30970051 PMCID: PMC6452520 DOI: 10.1590/0074-02760180574] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 03/18/2019] [Indexed: 01/04/2023] Open
Abstract
Human sapoviruses (HSaV) are considered important causative agents of acute gastroenteritis in humans worldwide. However, knowledge of the genetic characteristics of the whole genome of HSaV in Brazil is limited. Here we report the complete genome sequences of six HSaVs GI.2 and two GI.3 strains obtained from children with acute gastroenteritis in the Northern region of Brazil. Next generation sequencing was used to obtain the full genome and molecular characterization of the genome was performed. Phylogenetic analysis of the genome was also performed. Only one complete HSaV GI.2 genome characterization in the country precedes that of the present study. This is the first complete genome sequence of genotype GI.3 in Brazil. The data obtained in this investigation can contribute to the augmentation of the database on the molecular diversity of HSaVs strains circulating in Brazil, and to the improvement of current typing protocols.
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Affiliation(s)
- Audrey Cilli
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças
Entéricas, São Paulo, SP, Brasil
| | - Adriana Luchs
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças
Entéricas, São Paulo, SP, Brasil
| | - Elcio Leal
- Universidade Federal do Pará, Instituto de Ciências Biológicas,
Belém, PA, Brasil
| | - Danielle Gill
- Universidade de São Paulo, Instituto de Medicina Tropical, São
Paulo, SP, Brasil
- Universidade de São Paulo, Faculdade de Medicina, LIM/46, São Paulo,
SP, Brasil
| | - Flavio Augusto de Pádua Milagres
- Universidade Federal de Tocantins, Palmas, TO, Brasil
- Laboratório Central de Saúde Pública do Tocantins, Palmas, TO,
Brasil
- Secretaria da Saúde do Tocantins, Palmas, TO, Brasil
| | - Shirley Vasconcelos Komninakis
- Faculdade de Medicina do ABC, Programa de Pós-Graduação em Ciências
da Saúde, Santo André, SP, Brasil
- Universidade Federal de São Paulo, Laboratório de Retrovirologia,
São Paulo, SP, Brasil
| | - Rafael Brustulin
- Universidade Federal de Tocantins, Palmas, TO, Brasil
- Laboratório Central de Saúde Pública do Tocantins, Palmas, TO,
Brasil
- Secretaria da Saúde do Tocantins, Palmas, TO, Brasil
| | | | | | - Rogério Togisaki das Chagas
- Laboratório Central de Saúde Pública do Tocantins, Palmas, TO,
Brasil
- Secretaria da Saúde do Tocantins, Palmas, TO, Brasil
| | | | | | - Xutao Deng
- Blood Systems Research Institute, San Francisco, CA, USA
- University of California, Department Laboratory Medicine, San
Francisco, CA, USA
| | - Eric Delwart
- Blood Systems Research Institute, San Francisco, CA, USA
- University of California, Department Laboratory Medicine, San
Francisco, CA, USA
| | - Ester Cerdeira Sabino
- Universidade de São Paulo, Instituto de Medicina Tropical, São
Paulo, SP, Brasil
- Universidade de São Paulo, Faculdade de Medicina, LIM/46, São Paulo,
SP, Brasil
| | - Antonio Charlys da Costa
- Universidade de São Paulo, Instituto de Medicina Tropical, São
Paulo, SP, Brasil
- Universidade de São Paulo, Faculdade de Medicina, LIM/46, São Paulo,
SP, Brasil
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Prevalence of Human Sapovirus in Low and Middle Income Countries. Adv Virol 2018; 2018:5986549. [PMID: 30245718 PMCID: PMC6139206 DOI: 10.1155/2018/5986549] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 07/25/2018] [Indexed: 11/23/2022] Open
Abstract
Background Sapovirus (SV) infection is a public health concern which plays an important role in the burden of diarrhoeal diseases, causing acute gastroenteritis in people of all ages in both outbreaks and sporadic cases worldwide. Objective/Study Design The purpose of this report is to summarise the available data on the detection of human SV in low and middle income countries. A systematic search on PubMed and ScienceDirect database for SV studies published between 2004 and 2017 in low and middle income countries was done. Studies of SV in stool and water samples were part of the inclusion criteria. Results From 19 low and middle income countries, 45 published studies were identified. The prevalence rate for SV was 6.5%. A significant difference (P=0) in SV prevalent rate was observed between low income and middle income countries. Thirty-three (78.6%) of the studies reported on children and 8 (19%) studies reported on all age groups with diarrhoea. The majority (66.7%) of studies reported on hospitalised patients with acute gastroenteritis. Sapovirus GI was shown as the dominant genogroup, followed by SV-GII. Conclusion The detection of human SV in low and middle income countries is evident; however the reports on its prevalence are limited. There is therefore a need for systematic surveillance of the circulation of SV, and their role in diarrhoeal disease and outbreaks, especially in low and middle income countries.
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Li J, Zhang W, Cui L, Shen Q, Hua X. Metagenomic identification, genetic characterization and genotyping of porcine sapoviruses. INFECTION GENETICS AND EVOLUTION 2018; 62:244-252. [DOI: 10.1016/j.meegid.2018.04.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 03/30/2018] [Accepted: 04/25/2018] [Indexed: 12/20/2022]
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Teixeira DM, Spada PKDP, Morais LLCDS, Fumian TM, Lima ICGD, Oliveira DDS, Bandeira RDS, Gurjão TCM, Sousa MSD, Mascarenhas JDP, Gabbay YB. Norovirus genogroups I and II in environmental water samples from Belém city, Northern Brazil. JOURNAL OF WATER AND HEALTH 2017; 15:163-174. [PMID: 28151449 DOI: 10.2166/wh.2016.275] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This study investigated the presence of norovirus (NoV) GI and GII in environmental samples from the northern region of Brazil. Water samples were collected monthly (November 2008/October 2010) from different sources and sewage and concentrated by the adsorption-elution method. The NoV investigation used molecular methods followed by sequencing reactions. The general positivity for NoV was 33.9% (57/168). Considering the results obtained only in the semi-nested RT-PCR (reverse transcription polymerase chain reaction) and only in the TaqMan® real-time PCR, the rates were 26.8% (45/168) and 27.4% (46/168), respectively, being for NoV GI 22.2% (10/45) and 19.6% (9/46); for GII 17.8% (8/45) and 15.2% (7/46); and for GI + GII 60% (27/45) and 65.2% (30/46), respectively. Different GI (GI.1, GI.4, GI.7 and GI.8) and GII (GII.4, GII.6, GII.9, GII.12 and GII.14) genotypes were detected. These results demonstrated the NoV was disseminated in the waters of Belém city due to a lack of sanitation that allowed the discharge of contaminated effluents into these aquatic ecosystems.
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Affiliation(s)
- Dielle Monteiro Teixeira
- Postgraduate Program in Tropical Diseases, Tropical Medicine Center, Federal University of Para State, Av. Generalissimo Deodoro, 92, Umarizal, Belém, Para, Brazil E-mail: ; Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Paula Katharine de Pontes Spada
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Lena Líllian Canto de Sá Morais
- Environment Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA, Brazil
| | - Tulio Machado Fumian
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Foundation-FIOCRUZ, Avenida Brasil, 4365-Manguinhos 21040-360, Rio de Janeiro, RJ, Brazil
| | - Ian Carlos Gomes de Lima
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Darleise de Souza Oliveira
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Renato da Silva Bandeira
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Tereza Cristina Monteiro Gurjão
- Environment Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA, Brazil
| | - Maísa Silva de Sousa
- Tropical Medicine Center, Federal University of Para State, Av. Generalissimo Deodoro, 92, Umarizal, Belém, Para, Brazil
| | - Joana D'Arc Pereira Mascarenhas
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
| | - Yvone Benchimol Gabbay
- Virology Section, Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Br. 316 Km 07 S/N, Levilandia, Ananindeua, PA CEP 67030-000, Brazil
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Dábilla N, Nunes Vieira Almeida T, Carvalho Rebouças Oliveira A, Kipnis A, Neres Silva T, Souza Fiaccadori F, Teixeira de Sousa T, de Paula Cardoso DDD, Souza M. Norovirus in feces and nasopharyngeal swab of children with and without acute gastroenteritis symptoms: First report of GI.5 in Brazil and GI.3 in nasopharyngeal swab. J Clin Virol 2017; 87:60-66. [DOI: 10.1016/j.jcv.2016.12.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 12/13/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
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Reymão TKA, Hernandez JDM, Costa STPD, Sousa MSD, Oliveira DDS, Silva LDD, Bandeira RDS, Lima ICGD, Soares LDS, Mascarenhas JDP, Gabbay YB. SAPOVIRUSES IN CHILDREN WITH ACUTE GASTROENTERITIS FROM MANAUS , AMAZON REGION, BRAZIL, 2010-2011. Rev Inst Med Trop Sao Paulo 2016; 58:81. [PMID: 27828622 PMCID: PMC5096635 DOI: 10.1590/s1678-9946201658081] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 06/10/2016] [Indexed: 01/24/2023] Open
Abstract
Sapoviruses (SaVs) are responsible for acute gastroenteritis in humans, especially children and the elderly. In Brazil, data on SaVs infections are very limited, especially in Northern Brazil. Here, we investigated the occurrence of SaVs in samples from hospitalized children under ten years old that presented acute gastroenteritis. Positive samples were genotyped and phylogenetic analysis was performed using prototype strains sequences obtained from GenBank database. In total, 156 fecal samples were screened by RT-PCR for SaVs. A positivity rate of 3.8% (6/156) was found in children under three years of age. Four genotypes were detected: GI.I, GI.2 and GII.2?-GII.4?/GII.4, suggesting a possible inter-genotypes recombination. Most infections (83.3%) occurred between August and September. The positivity was similar to that found in other countries and genotyping demonstrated the presence of distinct genotypes. To our knowledge, this is the first study reporting the circulation of SaVs in Manaus, state of Amazonas, Amazon region, Brazil.
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Affiliation(s)
| | | | | | - Maísa Silva de Sousa
- Federal University of Pará, Tropical Medicine Center, Postgraduate Program in Tropical Diseases. Belém, Pará, Brazil. E-mail:
| | - Darleise de Souza Oliveira
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
| | - Luciana Damascena da Silva
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
| | - Renato da Silva Bandeira
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
| | - Ian Carlos Gomes de Lima
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
| | - Luana da Silva Soares
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
| | | | - Yvone Benchimol Gabbay
- Evandro Chagas Institute, Brazilian Ministry of Health, Virology Section. Ananindeua, Pará, Brazil. E-mails: ; ; ; ; ;
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Fioretti J, Rocha M, Fumian T, Ginuino A, da Silva T, de Assis M, Rodrigues J, Carvalho-Costa F, Miagostovich M. Occurrence of human sapoviruses in wastewater and stool samples in Rio De Janeiro, Brazil. J Appl Microbiol 2016; 121:855-62. [DOI: 10.1111/jam.13205] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 06/08/2016] [Accepted: 06/13/2016] [Indexed: 11/30/2022]
Affiliation(s)
- J.M. Fioretti
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - M.S. Rocha
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - T.M. Fumian
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - A. Ginuino
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - T.P. da Silva
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - M.R. de Assis
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - J.de.S. Rodrigues
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - F.A. Carvalho-Costa
- Laboratory of Epidemiology and Molecular Systematic; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
| | - M.P. Miagostovich
- Laboratory of Comparative and Environmental Virology; Instituto Oswaldo Cruz; Fundação Oswaldo Cruz; Rio de Janeiro Brazil
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da Silva Poló T, Peiró JR, Mendes LCN, Ludwig LF, de Oliveira-Filho EF, Bucardo F, Huynen P, Melin P, Thiry E, Mauroy A. Human norovirus infection in Latin America. J Clin Virol 2016; 78:111-9. [DOI: 10.1016/j.jcv.2016.03.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 03/09/2016] [Accepted: 03/14/2016] [Indexed: 10/22/2022]
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Etiological Role and Repeated Infections of Sapovirus among Children Aged Less than 2 Years in a Cohort Study in a Peri-urban Community of Peru. J Clin Microbiol 2016; 54:1598-1604. [PMID: 27076657 DOI: 10.1128/jcm.03133-15] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 03/14/2016] [Indexed: 12/27/2022] Open
Abstract
Human sapovirus has been shown to be one of the most important etiologies in pediatric patients with acute diarrhea. However, very limited data are available about the causative roles and epidemiology of sapovirus in community settings. A nested matched case-control study within a birth cohort study of acute diarrhea in a peri-urban community in Peru from 2007 to 2010 was conducted to investigate the attributable fraction (AF) and genetic diversity of sapovirus. By quantitative reverse transcription-real-time PCR (qPCR) sapovirus was detected in 12.4% (37/299) of diarrheal and 5.7% (17/300) of nondiarrheal stools (P = 0.004). The sapovirus AF (7.1%) was higher in the second year (13.2%) than in the first year (1.4%) of life of children. Ten known genotypes and one novel cluster (n = 5) within four genogroups (GI, GII, GIV, and GV) were identified by phylogenetic analysis of a partial VP1 gene. Further sequence analysis of the full VP1 gene revealed a possible novel genotype, tentatively named GII.8. Notably, symptomatic reinfections with different genotypes within the same (n = 3) or different (n = 5) genogroups were observed in eight children. Sapovirus exhibited a high attributable burden for acute gastroenteritis, especially in the second year of life, of children in a Peruvian community. Further large-scale studies are needed to understand better the global burden, genetic diversity, and repeated infections of sapovirus.
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Page N, Groome MJ, Murray T, Nadan S, Netshikweta R, Keddy KH, Poonsamy B, Moyes J, Walaza S, Kahn K, Kuonza L, Taylor MB, Madhi SA, Cohen C. Sapovirus prevalence in children less than five years of age hospitalised for diarrhoeal disease in South Africa, 2009-2013. J Clin Virol 2016; 78:82-8. [PMID: 27002709 DOI: 10.1016/j.jcv.2016.03.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 03/08/2016] [Accepted: 03/12/2016] [Indexed: 01/18/2023]
Abstract
BACKGROUND Although sapovirus (SaV) has been detected in 2.2-12.7% of gastroenteritis cases globally, there are limited data on SaV epidemiology. OBJECTIVES Describe the epidemiology, clinical characteristics and factors associated with SaV gastroenteritis in hospitalised children <5 years of age in South Africa. STUDY DESIGN Between 2009 and 2013 during prospective diarrhoeal surveillance, stool specimens were collected from four sites and screened for SaVs and associated enteric pathogens using ELISA, microscopy, conventional and real-time PCR. Epidemiological and clinical data were compared in patients with or without SaV. Odds ratios were assessed by bivariate and stepwise multivariable logistic regression analysis. RESULTS Sapoviruses were detected in 7.7% (238/3103) of children admitted to hospital and 11.4% (9/79) of deaths. Sapovirus was detected more commonly in children 19-24 months compared to<6months (aOR=2.3; p=0.018) and in males (aOR=2.0; p=0.001). Additional factors associated with SaV detection included residing with≥7 inhabitants compared to ≤3 (aOR=2.2; p=0.011) and concomitant norovirus infections (aOR=3.0; p=0.003). HIV-infected children with SaV were more likely to have bloody stools (aOR=16.8; p<0.001), low birth weight (<2.5kg; aOR=5.8; p=0.007) and live in environments without flush toilets (aOR=8.1; p=0.003) compared to HIV-uninfected children. CONCLUSIONS Sapoviruses, which are perceived to cause mild diarrhoea, were detected in hospitalised children and diarrhoeal deaths in South Africa. Determinants increasing the odds of SaV included overcrowding and concomitant infections while HIV-infected children with SaV displayed bloody stools, low birth weight and reduced access to proper sanitation. Mitigation strategies against SaV infections include improved sanitation.
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Affiliation(s)
- Nicola Page
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Private Bag x20, Hatfield, 0028, South Africa; Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa.
| | - Michelle J Groome
- Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, University of the Witwatersrand, Johannesburg, South Africa; Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases, University of Witwatersrand, Johannesburg, South Africa
| | - Tanya Murray
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa
| | - Sandrama Nadan
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa
| | - Rembuluwani Netshikweta
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa
| | - Karen H Keddy
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Bhavani Poonsamy
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa
| | - Jocelyn Moyes
- School of Public Health, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Sibongile Walaza
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa
| | - Kathleen Kahn
- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Lazarus Kuonza
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Private Bag x20, Hatfield, 0028, South Africa
| | - Maureen B Taylor
- Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa
| | - Shabir A Madhi
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa; Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, University of the Witwatersrand, Johannesburg, South Africa; Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases, University of Witwatersrand, Johannesburg, South Africa
| | - Cheryl Cohen
- National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South Africa
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Norovirus prevention and the prevalence of asymptomatic norovirus infection in kindergartens and primary schools in Changzhou, China: Status of the knowledge, attitudes, behaviors, and requirements. Am J Infect Control 2015; 43:833-8. [PMID: 26026827 DOI: 10.1016/j.ajic.2015.04.182] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 04/09/2015] [Accepted: 04/09/2015] [Indexed: 01/12/2023]
Abstract
BACKGROUND We estimated the status of norovirus infection and prevention in kindergartens and primary schools and identified poor areas for which future education is needed. We evaluated the knowledge, attitude, behavior, requirements of outbreak prevention, and rate of asymptomatic carriers. METHODS Two self-administered questionnaires were conducted for data collection. Five hundred seventy-four teachers from kindergartens and primary schools and 3,114 students from primary schools in Changzhou city were sampled for questionnaire investigation. In addition, 511 rectal swabs from healthy children were taken for norovirus detection. RESULTS Twenty-one of 511 children were asymptomatically infected with norovirus. The rate of asymptomatic norovirus infection children in kindergartens was 2.7% and 4.7% in primary schools. Nineteen of 21 positive samples were GII strains, the other 2 were GI strains. In addition, we found that primary schools were less prepared to prevent norovirus outbreaks than kindergartens. Settings in the suburban counties needed more education on norovirus prevention. CONCLUSIONS The results of this study emphasize the need for training of primary schools and suburban schools about norovirus prevention. Asymptomatic norovirus infection should receive more attention.
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Aizawa Y, Yamanaka T, Watanabe K, Oishi T, Saitoh A. Asymptomatic children might transmit human parechovirus type 3 to neonates and young infants. J Clin Virol 2015; 70:105-108. [PMID: 26305831 DOI: 10.1016/j.jcv.2015.07.300] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 07/16/2015] [Accepted: 07/20/2015] [Indexed: 01/08/2023]
Abstract
BACKGROUND Human parechovirus type 3 (HPeV3) epidemics occur worldwide and can lead to severe disease in neonates and young infants. Little is known about the source of HPeV3 infection. OBJECTIVES To investigate the source of HPeV3 infection and the role of asymptomatic children in the families of infected children. STUDY DESIGN During a 2014 HPeV3 epidemic in Niigata, Japan, we analyzed (1) clinical information on sick contacts for 43 neonates and young infants with HPeV3-related disease diagnosed by PCR analysis of serum and/or cerebrospinal fluid and (2) stool samples from symptomatic and asymptomatic siblings/cousins of index patients. To confirm transmission, the P1 (VP0, VP3, and VP1) and 3D(pol) regions of HPeVs were sequenced and analyzed. RESULTS Sick contact with family members was confirmed for 51% (n=22) of patients. Among the 30 symptomatic family members, 67% (n=20) were siblings, 20% (n=6) were mothers, and 13% (n=4) were other relatives. Stool samples from symptomatic and asymptomatic siblings/cousins of 4 HPeV3-infected patients yielded positive results for HPeVs on PCR analysis. Furthermore, the P1 and 3D(pol) nucleotide sequences of family members were 100% identical to those of the respective index cases. CONCLUSIONS Identification of genetically identical virus from HPeV3-infected patients and asymptomatic children in their families suggests that the latter are a source of infection in neonates and young infants with HPeV3-related diseases.
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Affiliation(s)
- Yuta Aizawa
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takayuki Yamanaka
- Department of Pediatrics, Niigata Medicalcare Cooperative Kido Hospital, Niigata, Japan
| | - Kanako Watanabe
- Department of Medical Technology, Niigata University Graduate School of Health Sciences, Niigata, Japan
| | - Tomohiro Oishi
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Akihiko Saitoh
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan; Division of Infectious Diseases, Department of Pediatrics, University of California, San Diego, USA.
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18
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Abstract
Norovirus, an RNA virus of the family Caliciviridae, is a human enteric pathogen that causes substantial morbidity across both health care and community settings. Several factors enhance the transmissibility of norovirus, including the small inoculum required to produce infection (<100 viral particles), prolonged viral shedding, and its ability to survive in the environment. In this review, we describe the basic virology and immunology of noroviruses, the clinical disease resulting from infection and its diagnosis and management, as well as host and pathogen factors that complicate vaccine development. Additionally, we discuss overall epidemiology, infection control strategies, and global reporting efforts aimed at controlling this worldwide cause of acute gastroenteritis. Prompt implementation of infection control measures remains the mainstay of norovirus outbreak management.
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Affiliation(s)
- Elizabeth Robilotti
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Stan Deresinski
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Benjamin A Pinsky
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Stanford, California, USA Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
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Ruether IGA, Dimitriou TG, Tsakogiannis D, Kyriakopoulou Z, Amoutzias GD, Gartzonika C, Levidiotou-Stefanou S, Markoulatos P. Characterization of novel intergenogroup and intergenotype recombinant noroviruses from central Greece. Mol Cell Probes 2014; 28:204-10. [PMID: 24751495 DOI: 10.1016/j.mcp.2014.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 04/08/2014] [Accepted: 04/08/2014] [Indexed: 01/14/2023]
Abstract
Noroviruses (NoVs) are a major causative agent of acute gastroenteritis in humans. They are members of the Caliciviridae family and based on the genetic analysis of the RdRp and capsid regions, human NoVs are divided into three genogroups (Gs), GI, GII, and GIV. The three genogroups further segregate into distinct lineages called genotypes. The NoV genus is genetically diverse and recombination of viral RNA is known to depend upon various immunological and intracellular constraints that may allow the emergence of viable recombinants. In this study, three Noroviral strains detected in clinical samples revealed two hitherto unobserved recombination events between GII.9/GII.4 and GII.9/GI.7 genogroups. To our knowledge, these intergenotype and intergenogroup recombination events of GII.9/GII.4 and GII.9/GI.7, in ORF1 and ORF2 genes respectively are reported for the first time and highlight the ongoing evolution of noroviruses.
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Affiliation(s)
- I G A Ruether
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece
| | - T G Dimitriou
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece
| | - D Tsakogiannis
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece
| | - Z Kyriakopoulou
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece
| | - G D Amoutzias
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece
| | - C Gartzonika
- University of Ioannina, Medical School, Department of Microbiology, Ioannina, Greece
| | - S Levidiotou-Stefanou
- University of Ioannina, Medical School, Department of Microbiology, Ioannina, Greece
| | - P Markoulatos
- University of Thessaly, School of Health Sciences, Department of Biochemistry & Biotechnology, Microbiology-Virology Laboratory, Larissa, Greece.
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