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Lichs GGC, Fernandez ZDC, do Nascimento VA, Alcantara DMC, Lemos EF, Carvalho CME, Demarchi LHF, Gonçalves CCM, Naveca FG, Favacho ARDM. Surveillance of Erythrovirus B19 (B19V) in patients with acute febrile illness suspected of arboviruses in Mato Grosso do Sul state, Brazil. Front Microbiol 2024; 15:1417434. [PMID: 39091305 PMCID: PMC11291312 DOI: 10.3389/fmicb.2024.1417434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 06/25/2024] [Indexed: 08/04/2024] Open
Abstract
Introduction Human Erythrovirus (parvovirus) B19 infection can produce symptoms similar to those produced by Dengue, Chikungunya, and Zika viruses, making clinical diagnosis difficult. The importance of erythrovirus B19 in human pathology has been increased and reported in numerous studies published globally. Methods The B19V infection was investigated by real-time PCR in sera samples from patients with signs and symptoms related to classic arboviral symptoms. This study was conducted to provide information on the genetic diversity of Human Erythrovirus B19 (B19V) circulating in the state of Mato Grosso do Sul, Midwest region of Brazil, from 2017 to 2022. A total of 773 sera samples of patients with negative diagnostic results for Dengue, Chikungunya, and Zika, during the study period were analyzed. Results Erythrovirus DNA was found in 10.6% (82/773) of patients, among them 10 were pregnant women. Four samples were completely sequenced, and the other five partially, to genotype by phylogenetic reconstruction. All samples belong to worldwide dispersed genotype 1, subgenotype 1a. Discussion The findings of the study demonstrate the importance of including B19V in differential laboratory diagnosis for epidemiological purposes and appropriate patient management. The diagnosis for B19V should be performed, particularly among pregnant women, immunocompromised patients, and individuals with hemolytic diseases, given that the infection is more severe in these cases.
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Affiliation(s)
- Gislene Garcia C. Lichs
- Laboratório Central de Saúde Pública de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
- Postgraduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | | | - Valdinete Alves do Nascimento
- Núcleo de Vigilância de Vírus Emergentes, Reemergentes ou Negligenciados, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Amazonas, Brazil
| | | | | | | | | | - Crhistinne Carvalho Maymone Gonçalves
- Postgraduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
- Secretaria de Estado de Saúde de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Felipe Gomes Naveca
- Núcleo de Vigilância de Vírus Emergentes, Reemergentes ou Negligenciados, Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Amazonas, Brazil
- Laboratório de Arbovírus e Vírus Hemorrágicos, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, Brazil
| | - Alexsandra Rodrigues de Mendonça Favacho
- Postgraduate Program in Infectious and Parasitic Diseases, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
- Fundação Oswaldo Cruz, Fiocruz Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
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Leng C, Tian X, Zhai H, Ji J, Yao L. Molecular epidemiological investigation and recombination analysis of Cachavirus prevalent in China. Front Vet Sci 2024; 11:1375948. [PMID: 38751804 PMCID: PMC11094709 DOI: 10.3389/fvets.2024.1375948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 04/19/2024] [Indexed: 05/18/2024] Open
Abstract
Chaphamaparvovirus carnivoran1 (canine Chaphamaparvovirus, also known as Cachavirus [CachaV]) is a novel parvovirus first reported in dog feces collected from the United States in 2017 and China in 2019. To continuously track its infection and evolution status, 276 canine anal swabs were obtained from pet hospitals in central, northern, and eastern China between 2021 and 2023 and screened via polymerase chain reaction; subsequently, a systematic study was conducted. Of these samples, nine (3.3%) were positive for CachaV. Using polymerase chain reaction, whole genome sequences of the nine CachaV-positive strains were amplified. The NS1 amino acid sequence identity between CachaV strains from China and other countries was 96.23-99.85%, whereas the VP1 protein sequence identity was 95.83-100%. CHN230521 demonstrated the highest identity for NS1 amino acids (99.85%) and VP1 amino acids (100%) with NWT-W88 and CP-T015. According to the model prediction of CHN220916-VP1 protein, Met64Thr, Thr107Ala, and Phe131Ser mutations may cause tertiary structural changes in VP1 protein. Interestingly, each of the nine CachaV strains harbored the same site mutations in NS1 (Ser252Cys, Gly253Leu, and Gly254Thr). Although no explicit recombination events were predicted, the clustering and branching of the phylogenetic tree were complicated. Based on the evolution trees for VP1 and NS1, the nine CachaV strains identified from 2021 to 2023 were closely related to those identified in gray wolves and cats. This study may be beneficial for evaluating the prevalence of CachaVs in China, thereby understanding the evolution trend of CachaVs.
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Affiliation(s)
| | | | | | - Jun Ji
- Henan Provincial Engineering Laboratory of Insects Bio-reactor, Henan Provincial Engineering and Technology Center of Health Products for Livestock and Poultry, Henan Provincial Engineering and Technology Center of Animal Disease Diagnosis and Integrated Control, Nanyang Normal University, Nanyang, China
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Ferreira NE, da Costa AC, Kallas EG, Silveira CGT, de Oliveira ACS, Honorato L, Paião HGO, Lima SH, de M. Vasconcelos D, Côrtes MF, Costa SF, Mendoza TRT, Gomes HR, Witkin SS, Mendes-Correa MC. Encephalopathy Caused by Human Parvovirus B19 Genotype 1 Associated with Haemophilus influenzae Meningitis in a Newborn. Curr Issues Mol Biol 2023; 45:6958-6966. [PMID: 37754223 PMCID: PMC10529629 DOI: 10.3390/cimb45090439] [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: 06/09/2023] [Revised: 07/12/2023] [Accepted: 07/15/2023] [Indexed: 09/28/2023] Open
Abstract
Parvovirus B19 infection is associated with a wide range of clinical manifestations, from asymptomatic to severe neurological disorders. Its major clinical symptoms, fever and rash, are common to multiple viruses, and laboratory tests to detect B19 are frequently not available. Thus, the impact of B19 on public health remains unclear. We report the case of a 38-day old girl admitted to São Paulo Clinical Hospital, Brazil, with an initial diagnosis of bacterial meningitis, seizures, and acute hydrocephalus. Antibiotic therapy was maintained for one week after admission and discontinued after negative laboratory results were obtained. Nine days after symptoms onset, a cerebral spinal fluid (CSF) sample revealed persistent pleocytosis. The complete B19 complete genome was subsequently identified in her CSF by a metagenomic next-generation sequencing approach. This report highlights the possible involvement of B19 in the occurrence of acute neurological manifestations and emphasizes that its possible involvement might be better revealed by the use of metagenomic technology to detect viral agents in clinical situations of unknown or uncertain etiology.
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Affiliation(s)
- Noely Evangelista Ferreira
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Antonio C. da Costa
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Esper G. Kallas
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
| | - Cassia G. T. Silveira
- Division of Clinical Immunology and Allergy, School of Medicine, University of São Paulo, São Paulo 05403-000, Brazil; (C.G.T.S.); (A.C.S.d.O.)
| | - Ana Carolina S. de Oliveira
- Division of Clinical Immunology and Allergy, School of Medicine, University of São Paulo, São Paulo 05403-000, Brazil; (C.G.T.S.); (A.C.S.d.O.)
| | - Layla Honorato
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Heuder G. O. Paião
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Silvia H. Lima
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Dewton de M. Vasconcelos
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Marina F. Côrtes
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Silvia F. Costa
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Tania R. T. Mendoza
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
| | - Hélio R. Gomes
- Laboratório de Investigação Médica LIM 15, Hospital da Clinicas da, Faculdade de Medicina da, Universidade de São Paulo, São Paulo 01246-903, Brazil;
| | - Steven S. Witkin
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Maria C. Mendes-Correa
- Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (N.E.F.); (A.C.d.C.); (E.G.K.); (L.H.); (H.G.O.P.); (S.H.L.); (M.F.C.); (S.F.C.); (T.R.T.M.)
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-000, Brazil; (D.d.M.V.); (S.S.W.)
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Cnc Garcia RD, Leon LA. Human parvovirus B19: a review of clinical and epidemiological aspects in Brazil. Future Microbiol 2021; 16:37-50. [PMID: 33438475 DOI: 10.2217/fmb-2020-0123] [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] [Indexed: 12/23/2022] Open
Abstract
Since the first evidence of human parvovirus B19 (B19V) infection in late 80s, several studies have been conducted to clarify the spectrum of clinical diseases in Brazil. B19V infection is prevalent in the general population and has exhibited a cyclical pattern of occurrence every 4-5 years, with the predominance of genotype 1 over 3b. During epidemic periods the wide range of clinical conditions, such as ertythema infectiosum, arthropathy, transient aplastic crisis, nonimmune hydrops fetalis and B19V-hepatitis were diagnosed. However, many infections are likely asymptomatic or have a self-limiting clinical course and are not readly diagnosed. Besides, the similarity of the symptoms of ertythema infectiosum to other rash diseases and the broadly circulation of arboviruses makes differential diagnosis more difficult. In this article, we provide a historical comprehensive overview of the research on parvovirus B19 conducted in Brazil, with a focus on the clinical and epidemiological aspects of the infection.
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Affiliation(s)
- Rita de Cnc Garcia
- Departamento de Microbiologia e Parasitologia, Instituto Biomédico, Universidade Federal Fluminense (UFF), Rua Professor Hernani Melo 101, Niterói, RJ 22430 190, Brazil
| | - Luciane Aa Leon
- Laboratório de Desenvolvimento Tecnológico em Virologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avenida Brasil 4365, Manguinhos, RJ 21040 360, Brazil
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Di Paola N, Mesquita FS, Oliveira DBLD, Villabona-Arenas CJ, Zaki Pour S, de Sousa-Capra C, Lopes GP, Santana RAF, Pinho JRR, Balarini K, Pereira da Fonseca CRT, Zanotto PMDA. An Outbreak of Human Parvovirus B19 Hidden by Dengue Fever. Clin Infect Dis 2020; 68:810-817. [PMID: 30304533 DOI: 10.1093/cid/ciy630] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 08/01/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Seasonal outbreaks of dengue often result in hundreds of dengue-suspected cases where a clinical diagnosis cannot be confirmed. Usually, during large outbreaks of dengue and other pathogens that can cause acute febrile illnesses, the search for secondary pathogens with similar disease outcomes is rare. METHODS Using total RNA sequencing and targeted diagnostic assays, we discovered an outbreak of parvovirus B19 in dengue-suspected patients that occurred from November 2013 to February 2014. RESULTS Of the 182 cases investigated, 63% were viremic for the B19 virus. Moreover, we found that >43% of infected patients had no serological evidence of prior infection. Parvovirus B19 is a typical childhood infection, yet we observed that 82% of the infected patients were adults. Additionally, we perceived that infected adults had significantly higher presentations of myalgia than in children. We also obtained viral protein (VP) 1/VP2 gene nucleotide sequences from 43 patients. CONCLUSIONS Our results support the utility of next-generation sequencing for symptomatic patients with unknown etiologies during seasonal outbreaks of dengue and other arborviruses. Our findings could improve the vigilance of hospitals and laboratories by raising awareness of co-circulating pathogens such as parvovirus B19 that may be hidden in plain sight.
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Affiliation(s)
- Nicholas Di Paola
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | - Flávio S Mesquita
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | | | - Christian Julián Villabona-Arenas
- Recherches translationelles sur le virus de l'immunodéficience et les maladies infectieuses, Institut de Recherche pour le Développement, University of Montpellier, Institut national de la santé et de la recherche médicale, France
| | - Shahab Zaki Pour
- Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Brazil
| | | | | | | | - João Renato Rebello Pinho
- Hospital Israelita Albert Einstein, Brazil.,Laboratório de Medicina Laboratorial/Laboratório de Gastroenterologia Clínica e Experimental Faculdade de Medicina da Universidade de São Paulo, Brazil
| | - Karime Balarini
- Itapema Laboratório de Análises Clínicas, Guarujá, São Paulo, Brazil
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Figueiredo RMPD, Souza VCD, Nascimento VAD, Naveca FG. Human parvovirus B19 genotype 1 in suspected dengue patients of Tefé, Amazonas State, Brazil. Rev Soc Bras Med Trop 2019; 52:e20190304. [PMID: 31508787 DOI: 10.1590/0037-8682-0304-2019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/02/2019] [Indexed: 01/30/2023] Open
Abstract
INTRODUCTION Human parvovirus B19 (B19V) is a common pathogen, which on infection causes variety of clinical conditions from benign self-limiting exanthematous disease and other similar pathologies to fetal death. METHODS We collected 341 serum samples between the first and fourth day after the onset of symptoms from all patients suspected of dengue fever who were attended at Regional Hospital of Tefé. Initially, patients were screened for malaria by blood smear test and negative samples were sent to Fundação de Medicina Tropical Doutor Heitor Vieira Dourado (FMT-HVD) situated in Manaus (AM) for dengue testing using semi-nested multiplex PCR. Further, we investigated 44 malaria and dengue-negative samples of children for B19V DNA by nested-PCR. Positive samples were analyzed by BLAST against entire public non-redundant nucleotide database and genotyped by phylogenetic analyses using neighbor-joining clustering method. RESULTS Eight samples (18.2%) were found to be PCR positive. Fever, headache, ocular pain, and/or muscle pain were reported as the most frequent symptoms by the patients and none were diagnosed with rash at the time of sample collection. Phylogenetic analysis of major capsid protein 2 (VP2) and VP3 coding region showed high similarity with B19V genotype 1. CONCLUSIONS Our results reveal the spread of B19V genotype 1 in Tefé. Moreover, our results emphasize the significance of laboratorial differential diagnosis using molecular techniques in patients with acute febrile, and thereby aid the health surveillance system in improving patient care even in the remote areas of Amazon.
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Affiliation(s)
| | - Victor Costa de Souza
- Fundação Oswaldo Cruz Amazônia, Instituto Leônidas e Maria Deane, Manaus, AM, Brasil
| | | | - Felipe Gomes Naveca
- Fundação Oswaldo Cruz Amazônia, Instituto Leônidas e Maria Deane, Manaus, AM, Brasil
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Fahsbender E, Altan E, Seguin MA, Young P, Estrada M, Leutenegger C, Delwart E. Chapparvovirus DNA Found in 4% of Dogs with Diarrhea. Viruses 2019; 11:v11050398. [PMID: 31035625 PMCID: PMC6563200 DOI: 10.3390/v11050398] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/22/2019] [Accepted: 04/24/2019] [Indexed: 01/02/2023] Open
Abstract
Feces from dogs in an unexplained outbreak of diarrhea were analyzed by viral metagenomics revealing the genome of a novel parvovirus. The parvovirus was named cachavirus and was classified within the proposed Chapparvovirus genus. Using PCR, cachavirus DNA was detected in two of nine tested dogs from that outbreak. In order to begin to elucidate the clinical impact of this virus, 2,053 canine fecal samples were screened using real-time PCR. Stool samples from 203 healthy dogs were positive for cachavirus DNA at a rate of 1.47%, while 802 diarrhea samples collected in 2017 and 964 samples collected in 2018 were positive at rates of 4.0% and 4.66% frequencies, respectively (healthy versus 2017-2018 combined diarrhea p-value of 0.05). None of 83 bloody diarrhea samples tested positive. Viral loads were generally low with average real-time PCR Ct values of 36 in all three positive groups. The species tropism and pathogenicity of cachavirus, the first chapparvovirus reported in feces of a placental carnivore, remains to be fully determined.
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Affiliation(s)
- Elizabeth Fahsbender
- Vitalant Research Institute, San Francisco, CA 94118, USA.
- Dept. of Laboratory Medicine, University of California, San Francisco, CA 94118, USA.
| | - Eda Altan
- Vitalant Research Institute, San Francisco, CA 94118, USA.
- Dept. of Laboratory Medicine, University of California, San Francisco, CA 94118, USA.
| | - M Alexis Seguin
- IDEXX Reference Laboratories, -Inc., West Sacramento, CA 95605, USA.
| | - Pauline Young
- IDEXX Reference Laboratories, -Inc., West Sacramento, CA 95605, USA.
| | - Marko Estrada
- IDEXX Reference Laboratories, -Inc., West Sacramento, CA 95605, USA.
| | | | - Eric Delwart
- Vitalant Research Institute, San Francisco, CA 94118, USA.
- Dept. of Laboratory Medicine, University of California, San Francisco, CA 94118, USA.
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Aydin H, Timurkan MO, Aktas O. Genetic diversity of primate erythroparvovirus 1 between 2009 and 2016: First report from Turkey. Microb Pathog 2019; 129:131-135. [PMID: 30742946 DOI: 10.1016/j.micpath.2019.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 02/06/2019] [Accepted: 02/07/2019] [Indexed: 10/27/2022]
Abstract
Parvovirus B19 (B19V) is one of the major viral pathogens that infect only human beings. This study's aim is to determine which genotypes of the B19V are present in Turkey and to perform a phylogenetic analysis. Twelve B19V positive serum specimens already diagnosed by real-time PCR amplifying a partial region of the NS gene were included in this study. The serological markers and viral loads of the patients were determined. The positivity of the specimens was confirmed using semi-nested PCR. To determine the genotype of the B19V, PCR-positive amplicons were sequenced directly and compared to GenBank-referenced strain sequences. The phylogeny of the 12 sequenced strains was constructed with the maximum likelihood method. Two different genotypes of B19V were identified in our study. Genotype 2 of B19V was not detected. All of the B19V genotype 1 sequences were clustered in the common genotype 1a cluster (10/12, 83.3%). The average quantification of the B19V strains was determined to be 2.1 × 107 IU/ml. The nucleotide identities between our strains and those isolated in other countries were 85.8%-99.5%. Compared to the Turkish strains identified in our study, at the nucleotide level, the closest strains based on genotypes 3b and 1a were the Germany and Netherlands isolates respectively. This study was the first to provide the genotypic variation of B19V circulated in Turkey. We determined two distinct subtypes of B19V, including subtype 3b and 1a. While the genotype 1 is common all over the world, genotype 3 has begun to spread outside of Africa.
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Affiliation(s)
- Hakan Aydin
- Ataturk University, Faculty of Veterinary Medicine, Department of Virology, 25240, Erzurum, Turkey.
| | - Mehmet Ozkan Timurkan
- Ataturk University, Faculty of Veterinary Medicine, Department of Virology, 25240, Erzurum, Turkey
| | - Osman Aktas
- Ataturk University, Faculty of Medicine, Department of Microbiology, 25240, Erzurum, Turkey
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Faddy HM, Gorman EC, Hoad VC, Frentiu FD, Tozer S, Flower RLP. Seroprevalence of antibodies to primate erythroparvovirus 1 (B19V) in Australia. BMC Infect Dis 2018; 18:631. [PMID: 30526514 PMCID: PMC6286569 DOI: 10.1186/s12879-018-3525-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 11/19/2018] [Indexed: 02/02/2023] Open
Abstract
Backgroud Primate erythroparvovirus 1 (B19V) is a globally ubiquitous DNA virus. Infection results in a variety of clinical presentations including erythema infectiosum in children and arthralgia in adults. There is limited understanding of the seroprevalence of B19V antibodies in the Australian population and therefore of population-wide immunity. This study aimed to investigate the seroprevalence of B19V antibodies in an Australian blood donor cohort, along with a cohort from a paediatric population. Methods Age/sex/geographical location stratified plasma samples (n = 2221) were collected from Australian blood donors. Samples were also sourced from paediatric patients (n = 223) in Queensland. All samples were screened for B19V IgG using an indirect- enzyme-linked immunosorbent assay. Results Overall, 57.90% (95% CI: 55.94%–59.85%) of samples tested positive for B19V IgG, with the national age-standardized seroprevalence of B19V exposure in Australians aged 0 to 79 years estimated to be 54.41%. Increasing age (p < 0.001) and state of residence (p < 0.001) were independently associated with B19V exposure in blood donors, with the highest rates in donors from Tasmania (71.88%, 95% CI: 66.95%–76.80%) and donors aged 65–80 years (78.41%, 95% CI: 74.11%–82.71%). A seroprevalence of 52.04% (95% CI: 47.92%–56.15%) was reported in women of child-bearing age (16 to 44 years). Sex was not associated with exposure in blood donors (p = 0.547) or in children (p = 0.261) screened in this study. Conclusions This study highlights a clear association between B19V exposure and increasing age, with over half of the Australian population likely to be immune to this virus. Differences in seroprevalence were also observed in donors residing in different states, with a higher prevalence reported in those from the southern states. The finding is consistent with previous studies, with higher rates observed in countries with a higher latitude. This study provides much needed insight into the prevalence of B19V exposure in the Australian population, which has implications for public health as well as transfusion and transplantation safety in Australia.
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Affiliation(s)
- Helen M Faddy
- Research and Development, Australian Red Cross Blood Service, Brisbane, Queensland, Australia. .,School of Biomedical Sciences, and Institute for Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia.
| | - Elise C Gorman
- Research and Development, Australian Red Cross Blood Service, Brisbane, Queensland, Australia.,School of Biomedical Sciences, and Institute for Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Veronica C Hoad
- Clinical Services and Research, Australian Red Cross Blood Service, Perth, Western Australia, Australia
| | - Francesca D Frentiu
- School of Biomedical Sciences, and Institute for Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Sarah Tozer
- Queensland Paediatric Infectious Diseases Laboratory, Centre for Children's Health Research, Brisbane, Queensland, Australia
| | - R L P Flower
- Research and Development, Australian Red Cross Blood Service, Brisbane, Queensland, Australia.,School of Biomedical Sciences, and Institute for Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
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10
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Conteville LC, Filippis AMBD, Nogueira RMR, Mendonça MCLD, Vicente ACP. Metagenomic analysis reveals Hepatitis A virus in suspected yellow fever cases in Brazil. Mem Inst Oswaldo Cruz 2018; 113:66-67. [PMID: 29211109 PMCID: PMC5719543 DOI: 10.1590/0074-02760170260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/11/2017] [Indexed: 11/22/2022] Open
Abstract
Using a metagenomic approach, we identified hepatitis A virus among cases of
acute febrile illnesses that occurred in 2008-2012 in Brazil suspected as yellow
fever. These findings reinforce the challenge facing routine clinical diagnosis
in complex epidemiological scenarios.
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Affiliation(s)
- Liliane C Conteville
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Genética Molecular de Microrganismos, Rio de Janeiro, RJ, Brasil
| | - Ana Maria B de Filippis
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Flavivírus, Rio de Janeiro, RJ, Brasil
| | - Rita Maria R Nogueira
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Flavivírus, Rio de Janeiro, RJ, Brasil
| | - Marcos César L de Mendonça
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Flavivírus, Rio de Janeiro, RJ, Brasil
| | - Ana Carolina P Vicente
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Genética Molecular de Microrganismos, Rio de Janeiro, RJ, Brasil
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11
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Oliveira MID, Afonso AMS, Curti SP, Silva PE, Barbosa TF, Silva Junior ER, Figueiredo CA. Genotype 1 of human parvovirus B19 in clinical cases. Rev Assoc Med Bras (1992) 2017; 63:224-228. [DOI: 10.1590/1806-9282.63.03.224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 07/09/2016] [Indexed: 11/22/2022] Open
Abstract
Summary Introduction: Virus surveillance strategies and genetic characterization of human parvovirus B19 (B19V) are important tools for regional and global control of viral outbreak. In São Paulo, Brazil, we performed a study of B19V by monitoring the spread of this virus, which is an infectious agent and could be mistakenly reported as a rash and other types of infection. Method: Serum samples were subjected to enzyme immunoassay, real time polymerase chain reaction, and sequencing. Results: From the 462 patients with suspected cases of exanthematic infections, the results of the 164 serum samples were positive for B19V immunoglobulin M. Among these cases, there were 38 patients with erythema infections and B19-associated with other infections such as encephalitis, hydrops fetalis, chronic anemia, hematological malignancies. These samples were sequenced and identified as genotype 1. Conclusion: This study showed patients with infections caused by B19V and sequencing genotype 1. Continuous monitoring is necessary to detect all known genotypes, and the emergence of new genotypes of these viruses for case management in public health control activities.
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12
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Yang S, Liu Z, Wang Y, Li W, Fu X, Lin Y, Shen Q, Wang X, Wang H, Zhang W. A novel rodent Chapparvovirus in feces of wild rats. Virol J 2016; 13:133. [PMID: 27473724 PMCID: PMC4966819 DOI: 10.1186/s12985-016-0589-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 07/25/2016] [Indexed: 02/04/2023] Open
Abstract
Chapparvovirus, a recently determined new genus in the family Parvoviridae, can infect many species of animals including bats, chickens, and pigs. Here, using viral metagenomics method, we identified a novel Chapparvovirus from feces of wild rats and designated it as rat parvovirus 2 (RPV2). The nearly complete genome of RPV2 is 4222-nt long and includes two ORFs encoding a 654-aa nonstructural protein 1 (NS1) and a 472-aa capsid protein (VP), respectively. Phylogenetic analysis over the amino acid sequence of the NS1 showed that RPV2 clustered with Eidolon helvum parvovirus 2 (EHPV2), porcine parvovirus 7 (PPV7), and turkey parvovirus 1 (TP1), forming a separate clade. Sequence analysis indicated that the NS1 protein of RPV2 shared the highest amino acid sequence identity (51 %) with that of EHPV2. According to the genetic distance-based criteria, RPV2 identified here belongs to a novel species of Chapparvovirus.
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Affiliation(s)
- Shixing Yang
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Zhijian Liu
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Yan Wang
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Wang Li
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Xingli Fu
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Yuan Lin
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, Gansu, 750000, People's Republic of China
| | - Quan Shen
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Xiaochun Wang
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Hua Wang
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Wen Zhang
- School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China. .,School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, Jiangsu, 200240, People's Republic of China.
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