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Article ; Online: Arbovirus detection in synanthropic mosquitoes from the Brazilian Amazon and in mosquito saliva using Flinders Technology Associates cards.

Rios, Flávia Geovana Fontineles / Alves do Nascimento, Valdinete / Naveca, Felipe Gomes / Vieira, Deusilene Souza / Julião, Genimar Rebouças

Microbes and infection

2022 Volume 25, Issue 3, Page(s) 105046

Abstract: Although arbovirus transmission and identifying target vectors may provide a baseline for planning disease control strategies, there are many gaps in knowledge regarding these mosquitoes and viral species in urban, rural, or sylvatic habitats in the ... ...

Abstract	Although arbovirus transmission and identifying target vectors may provide a baseline for planning disease control strategies, there are many gaps in knowledge regarding these mosquitoes and viral species in urban, rural, or sylvatic habitats in the Brazilian Amazon. Our goal was to screen for dengue, chikungunya, and Zika viruses in synanthropic mosquitoes and with Flinders Technology Associates (FTA) cards using insect saliva. Mosquitoes were caught using ovitraps and aspirators in the city of Porto Velho, Rondônia, Brazil. Honey-baited FTA cards were placed in mosquito cages for 15 days; whole mosquitoes and FTA cards were analysed for viral RNA using RT-qPCR assays. One pool of Aedes aegypti females was found to be infected with the Zika virus and one male mosquito was infected with dengue-4, suggesting natural vertical/venereal transmission. Our study also reported evidence of vertical/venereal transmission of ZIKV in Culex quinquefasciatus males for the first time in the Brazilian Amazon, and the feasibility of using FTA cards to detect arboviruses in the saliva of field-collected mosquitoes. Vertical/venereal transmission of viruses by atypical mosquito species reinforces the need for combined viral and entomological screening in arbovirus surveillance programs.
MeSH term(s)	Animals ; Female ; Male ; Arboviruses ; Brazil ; Zika Virus Infection ; Saliva ; Zika Virus/genetics ; Mosquito Vectors ; Aedes ; Dengue/diagnosis
Language	English
Publishing date	2022-09-24
Publishing country	France
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1465093-9
ISSN	1769-714X ; 1286-4579
ISSN (online)	1769-714X
ISSN	1286-4579
DOI	10.1016/j.micinf.2022.105046
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Article ; Online: Implementing a provisional overarching intervention for COVID-19 monitoring and control in the Brazil-Colombia-Peru frontier.

Contreras, Matilde / Gomes Naveca, Felipe / Carvajal-Cortes, Jose Joaquin / Faviero, Guilherme F / Saavedra, Jorge / Ruback Dos Santos, Eduardo / Alves do Nascimento, Valdinete / Costa de Souza, Victor / Oliveira do Nascimento, Fernanda / Silva E Silva, Dejane / Luz, Sérgio Luiz Bessa / Romero Vesga, Kelly Natalia / Grisales Nieto, Juan Camilo / Avelino-Silva, Vivian I / Benzaken, Adele Schwartz

Frontiers in public health

2024 Volume 11, Page(s) 1330347

Abstract: Introduction: he challenge was to provide comprehensive health resources to a remote and underserved population living in the Brazil-Colombia-Peru border, amid the most disruptive global crisis of the century.: Methods: In August 2021, Fundação ... ...

Abstract	Introduction: he challenge was to provide comprehensive health resources to a remote and underserved population living in the Brazil-Colombia-Peru border, amid the most disruptive global crisis of the century. Methods: In August 2021, Fundação Oswaldo Cruz Amazonia (FIOCRUZ Amazônia) and partner collaborators implemented an overarching provisional program for SARS-CoV-2 detection and lineages characterization, training of laboratory personnel and healthcare providers, donation of diagnostic supplies and personal protective equipment, and COVID-19 vaccination. The expedition was conducted at the Port of Tabatinga, a busy terminal with an intense flux of people arriving and departing in boats of all sizes, located in the Amazon River basin. Local government, non-profit organizations, private companies, and other stakeholders supported the intervention. Results: The expedition was accomplished in a convergence point, where migrant workers, traders, army personnel, people living in urban areas, and people from small villages living in riversides and indigenous territories are in close and frequent contact, with widespread cross-border movement. Using a boat as a provisional lab and storage facility, the intervention provided clinical and laboratory monitoring for 891 participants; vaccination for 536 individuals; personal protective equipment for 200 healthcare providers; diagnostic supplies for 1,000 COVID-19 rapid tests; training for 42 community health agents on personal protection, rapid test execution, and pulse oximeter management; and hands-on training for four lab technicians on molecular diagnosis. Discussion: Our experience demonstrates that multilateral initiatives can counterweigh the scarcity of health resources in underserved regions. Moreover, provisional programs can have a long-lasting effect if investments are also provided for local capacity building.
MeSH term(s)	Male ; Humans ; COVID-19/diagnosis ; COVID-19/prevention & control ; SARS-CoV-2 ; Brazil ; COVID-19 Vaccines ; Colombia ; Peru
Chemical Substances	COVID-19 Vaccines
Language	English
Publishing date	2024-01-08
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2711781-9
ISSN	2296-2565 ; 2296-2565
ISSN (online)	2296-2565
ISSN	2296-2565
DOI	10.3389/fpubh.2023.1330347
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Article ; Online: Salmonella Gallinarum mgtC mutant shows a delayed fowl typhoid progression in chicken.

Rodrigues Alves, Lucas Bocchini / Freitas Neto, Oliveiro Caetano de / Saraiva, Mauro de Mesquita Souza / do Monte, Daniel Farias Marinho / de Lima, Bruna Nestlehner / Cabrera, Julia Memrava / Barbosa, Fernanda de Oliveira / Benevides, Valdinete Pereira / de Lima, Túlio Spina / Campos, Isabella Cardeal / Rubio, Marcela da Silva / Nascimento, Camila de Fatima / Arantes, Letícia Cury Rocha Veloso / Alves, Victória Veiga / de Almeida, Adriana Maria / Olsen, John Elmerdahl / Berchieri Junior, Angelo

Gene

2023 Volume 892, Page(s) 147827

Abstract: Salmonella Gallinarum (SG) provokes fowl typhoid, an infectious disease of acute clinical course that affects gallinaceous of any age and leads to high mortality rates. During the typhoid-like systemic infection of S. Typhimurium (STM) in mice, the ... ...

Abstract	Salmonella Gallinarum (SG) provokes fowl typhoid, an infectious disease of acute clinical course that affects gallinaceous of any age and leads to high mortality rates. During the typhoid-like systemic infection of S. Typhimurium (STM) in mice, the bacterium expresses the mgtC gene, which is encoded in the Salmonella Pathogenecity Island - 3 (SPI-3). In this serovar, the function is linked to bacterial replication within macrophages, and its absence attenuates the pathogen. We hypothesized that deleting mgtC from SG genome would alter the microorganism pathogenicity in susceptible commercial poultry in a similar manner. Thus, the present study sought to elucidate the importance of mgtC on SG pathogenicity. For this, a mgtC-mutant lacking S. Gallinarum mutant was constructed (SG ΔmgtC). Its ability to replicate in medium that mimicries the mgtC-related intracellular environment of macrophages as well as in primary macrophages from chicken was evaluated. Moreover, the infection of susceptible chickens was performed to elucidate its pathogenicity and the elicited immune responses by measuring key interleukins by qRT-PCR and the population of macrophages and lymphocytes T CD4
MeSH term(s)	Animals ; Mice ; Chickens/microbiology ; Salmonella enterica/genetics ; Typhoid Fever ; Salmonella Infections, Animal ; Salmonella/genetics ; Poultry Diseases/genetics ; Mammals
Language	English
Publishing date	2023-09-23
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	391792-7
ISSN	1879-0038 ; 0378-1119
ISSN (online)	1879-0038
ISSN	0378-1119
DOI	10.1016/j.gene.2023.147827
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Article ; Online: Implementing a provisional overarching intervention for COVID-19 monitoring and control in the Brazil-Colombia-Peru frontier

Matilde Contreras / Felipe Gomes Naveca / Jose Joaquin Carvajal-Cortes / Guilherme F. Faviero / Jorge Saavedra / Eduardo Ruback dos Santos / Valdinete Alves do Nascimento / Victor Costa de Souza / Fernanda Oliveira do Nascimento / Dejane Silva e Silva / Sérgio Luiz Bessa Luz / Kelly Natalia Romero Vesga / Juan Camilo Grisales Nieto / Vivian I. Avelino-Silva / Adele Schwartz Benzaken

Frontiers in Public Health, Vol

2024 Volume 11

Abstract: Introductionhe challenge was to provide comprehensive health resources to a remote and underserved population living in the Brazil-Colombia-Peru border, amid the most disruptive global crisis of the century.MethodsIn August 2021, Fundação Oswaldo Cruz ... ...

Abstract	Introductionhe challenge was to provide comprehensive health resources to a remote and underserved population living in the Brazil-Colombia-Peru border, amid the most disruptive global crisis of the century.MethodsIn August 2021, Fundação Oswaldo Cruz Amazonia (FIOCRUZ Amazônia) and partner collaborators implemented an overarching provisional program for SARS-CoV-2 detection and lineages characterization, training of laboratory personnel and healthcare providers, donation of diagnostic supplies and personal protective equipment, and COVID-19 vaccination. The expedition was conducted at the Port of Tabatinga, a busy terminal with an intense flux of people arriving and departing in boats of all sizes, located in the Amazon River basin. Local government, non-profit organizations, private companies, and other stakeholders supported the intervention.ResultsThe expedition was accomplished in a convergence point, where migrant workers, traders, army personnel, people living in urban areas, and people from small villages living in riversides and indigenous territories are in close and frequent contact, with widespread cross-border movement. Using a boat as a provisional lab and storage facility, the intervention provided clinical and laboratory monitoring for 891 participants; vaccination for 536 individuals; personal protective equipment for 200 healthcare providers; diagnostic supplies for 1,000 COVID-19 rapid tests; training for 42 community health agents on personal protection, rapid test execution, and pulse oximeter management; and hands-on training for four lab technicians on molecular diagnosis.DiscussionOur experience demonstrates that multilateral initiatives can counterweigh the scarcity of health resources in underserved regions. Moreover, provisional programs can have a long-lasting effect if investments are also provided for local capacity building.
Keywords	COVID-19 ; SARS-CoV-2 ; COVID-19 testing ; public health surveillance ; epidemiological monitoring ; indigenous peoples ; Public aspects of medicine ; RA1-1270
Subject code	796
Language	English
Publishing date	2024-01-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
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Article ; Online: Increased Serum Levels of Growth-Differentiation Factor 3 (GDF3) and Inflammasome-Related Markers in Pregnant Women during Acute Zika Virus Infection.

de Castro Alves, Carlos Eduardo / de Melo, Sabrina Araújo / de Melo Silva, Jean / de Oliveira, Leonardo Calheiros / Nascimento, Valdinete Alves do / Santos, João Hugo Abdalla / Naveca, Felipe Gomes / Pontes, Gemilson Soares

Viruses

2022 Volume 14, Issue 5

Abstract: The systemic inflammatory response elicited by acute Zika virus (ZIKV) infection during pregnancy plays a key role in the clinical outcomes in mothers and congenitally infected offspring. The present study aimed to evaluate the serum levels of GDF-3 and ... ...

Abstract	The systemic inflammatory response elicited by acute Zika virus (ZIKV) infection during pregnancy plays a key role in the clinical outcomes in mothers and congenitally infected offspring. The present study aimed to evaluate the serum levels of GDF-3 and inflammasome-related markers in pregnant women during acute ZIKV infection. Serum samples from pregnant (n = 18) and non-pregnant (n = 22) women with acute ZIKV infection were assessed for NLRP3, IL-1β, IL-18, and GDF3 markers through an enzyme-linked immunosorbent assay. ZIKV-negative pregnant (n = 18) and non-pregnant women (n = 15) were used as control groups. All serum markers were highly elevated in the ZIKV-infected groups in comparison with control groups (p < 0.0001). Among the ZIKV-infected groups, the serum markers were significantly augmented in the pregnant women in comparison with non-pregnant women (NLRP3 p < 0.001; IL-1β, IL-18, and GDF3 p < 0.0001). The IL-18 marker was found at significantly higher levels (p < 0.05) in the third trimester of pregnancy. Bivariate and multivariate analyses showed a strong positive correlation between GDF3 and NLRP3 markers among ZIKV-infected pregnant women (r = 0.91, p < 0.0001). The findings indicated that acute ZIKV infection during pregnancy induces the overexpression of GDF-3 and inflammasome-related markers, which may contribute to congenital disorders and harmful pregnancy outcomes.
MeSH term(s)	Biomarkers ; Female ; Growth Differentiation Factor 3/blood ; Humans ; Inflammasomes ; Interleukin-18 ; NLR Family, Pyrin Domain-Containing 3 Protein ; Pregnancy ; Pregnancy Outcome ; Pregnant Women ; Zika Virus Infection/immunology
Chemical Substances	Biomarkers ; GDF3 protein, human ; Growth Differentiation Factor 3 ; Inflammasomes ; Interleukin-18 ; NLR Family, Pyrin Domain-Containing 3 Protein
Language	English
Publishing date	2022-05-09
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2516098-9
ISSN	1999-4915 ; 1999-4915
ISSN (online)	1999-4915
ISSN	1999-4915
DOI	10.3390/v14051004
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Article ; Online: Reemergence of Dengue Virus Serotype 3, Brazil, 2023.

Naveca, Felipe Gomes / Santiago, Gilberto A / Maito, Rodrigo Melo / Ribeiro Meneses, Cátia Alexandra / do Nascimento, Valdinete Alves / de Souza, Victor Costa / do Nascimento, Fernanda Oliveira / Silva, Dejanane / Mejía, Matilde / Gonçalves, Luciana / de Figueiredo, Regina Maria Pinto / Ribeiro Cruz, Ana Cecília / Diniz Nunes, Bruno Tardelli / Presibella, Mayra Marinho / Quallio Marques, Nelson Fernando / Riediger, Irina Nastassja / de Mendonça, Marcos César Lima / de Bruycker-Nogueira, Fernanda / Sequeira, Patricia C /

de Filippis, Ana Maria Bispo / Resende, Paola / Campos, Tulio / Wallau, Gabriel Luz / Gräf, Tiago / Delatorre, Edson / Kopp, Edgar / Morrison, Andrea / Muñoz-Jordán, Jorge L / Bello, Gonzalo

Emerging infectious diseases

2023 Volume 29, Issue 7, Page(s) 1482–1484

Abstract: We characterized 3 autochthonous dengue virus serotype 3 cases and 1 imported case from 2 states in the North and South Regions of Brazil, 15 years after Brazil's last outbreak involving this serotype. We also identified a new Asian lineage recently ... ...

Abstract	We characterized 3 autochthonous dengue virus serotype 3 cases and 1 imported case from 2 states in the North and South Regions of Brazil, 15 years after Brazil's last outbreak involving this serotype. We also identified a new Asian lineage recently introduced into the Americas, raising concerns about future outbreaks.
MeSH term(s)	Humans ; Animals ; Dengue/epidemiology ; Dengue Virus/genetics ; Serogroup ; Brazil/epidemiology ; Disease Outbreaks ; Aedes
Language	English
Publishing date	2023-06-22
Publishing country	United States
Document type	Journal Article
ZDB-ID	1380686-5
ISSN	1080-6059 ; 1080-6040
ISSN (online)	1080-6059
ISSN	1080-6040
DOI	10.3201/eid2907.230595
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Article ; Online: Human parvovirus B19 genotype 1 in suspected dengue patients of Tefé, Amazonas State, Brazil.

Figueiredo, Regina Maria Pinto de / Souza, Victor Costa de / Nascimento, Valdinete Alves do / Naveca, Felipe Gomes

Revista da Sociedade Brasileira de Medicina Tropical

2019 Volume 52, Page(s) e20190304

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 ... ...

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.
MeSH term(s)	Adolescent ; Adult ; Aged ; Aged, 80 and over ; Brazil ; Child ; Child, Preschool ; DNA, Viral/blood ; Dengue/diagnosis ; Female ; Genotype ; Humans ; Infant ; Male ; Middle Aged ; Parvoviridae Infections/diagnosis ; Parvoviridae Infections/virology ; Parvovirus B19, Human/genetics ; Phylogeny ; Polymerase Chain Reaction ; Young Adult
Chemical Substances	DNA, Viral
Language	English
Publishing date	2019-09-05
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	1038126-0
ISSN	1678-9849 ; 0037-8682
ISSN (online)	1678-9849
ISSN	0037-8682
DOI	10.1590/0037-8682-0304-2019
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Article ; Online: Mayaro virus detection in the western region of Pará state, Brazil.

Saatkamp, Cassiano Junior / Rodrigues, Luís Reginaldo Ribeiro / Pereira, Andrew Mairom Nogueira / Coelho, João Alberto / Marques, Rose Grace Brito / Souza, Victor Costa de / Nascimento, Valdinete Alves do / Saatkamp, Jamille Gomes Dos Santos / Naveca, Felipe Gomes / Figueiredo, Regina Maria Pinto de

Revista da Sociedade Brasileira de Medicina Tropical

2021 Volume 54, Page(s) e0055–2020

Abstract: Introduction: Mayaro virus (MAYV) was found in Pará state, Brazil, in 1955. Since then, sporadic outbreaks have occurred in different regions of the country.: Methods: Serum sample were collected from 49 individuals in 2016 and were initially tested ... ...

Abstract	Introduction: Mayaro virus (MAYV) was found in Pará state, Brazil, in 1955. Since then, sporadic outbreaks have occurred in different regions of the country. Methods: Serum sample were collected from 49 individuals in 2016 and were initially tested for dengue virus (DENV) by real-time (RT) polymerase chain reaction (PCR). DENV-negative samples were tested for MAYV and Oropouche virus (OROV) by multiplexed RT quantitative PCR. Results: All samples were negative for DENV and OROV, but MAYV was detected in four samples. Conclusions: Differential diagnoses of acute febrile syndrome are required, especially in regions where several arboviruses with similar clinical manifestations are endemic.
MeSH term(s)	Alphavirus/genetics ; Arboviruses/genetics ; Brazil/epidemiology ; Dengue/diagnosis ; Dengue/epidemiology ; Disease Outbreaks ; Humans ; Real-Time Polymerase Chain Reaction ; Reverse Transcriptase Polymerase Chain Reaction
Language	English
Publishing date	2021-03-22
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	1038126-0
ISSN	1678-9849 ; 0037-8682
ISSN (online)	1678-9849
ISSN	0037-8682
DOI	10.1590/0037-8682-0055-2020
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Article ; Online: Complete genome of a dengue virus serotype 4 strain from Amazonas, Brazil.

Nascimento, Valdinete Alves do / Souza, Victor Costa de / Naveca, Felipe Gomes

Memorias do Instituto Oswaldo Cruz

2016 Volume 111, Issue 2, Page(s) 141–143

Abstract: Dengue virus (DENV) infections represent a significant concern for public health worldwide, being considered as the most prevalent arthropod-borne virus regarding the number of reported cases. In this study, we report the complete genome sequencing of a ... ...

Abstract	Dengue virus (DENV) infections represent a significant concern for public health worldwide, being considered as the most prevalent arthropod-borne virus regarding the number of reported cases. In this study, we report the complete genome sequencing of a DENV serotype 4 isolate, genotype II, obtained in the city of Manaus, directly from the serum sample, applying Ion Torrent sequencing technology. The use of a massive sequencing technology allowed the detection of two variable sites, one in the coding region for the viral envelope protein and the other in the nonstructural 1 coding region within viral populations.
MeSH term(s)	Brazil ; Databases, Genetic ; Dengue/blood ; Dengue Virus/classification ; Dengue Virus/genetics ; Genome, Viral/genetics ; High-Throughput Nucleotide Sequencing/methods ; Humans ; Serogroup ; Serotyping/methods ; Viral Envelope Proteins/genetics
Chemical Substances	Viral Envelope Proteins
Language	English
Publishing date	2016-02
Publishing country	Brazil
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	953293-6
ISSN	1678-8060 ; 0074-0276
ISSN (online)	1678-8060
ISSN	0074-0276
DOI	10.1590/0074-02760150416
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Article ; Online: HTLV-2 infection in Manaus, Brazil: first description of HTLV-2c subtype in an urban area of the Western Amazon region.

Pontes, Gemilson Soares / Ribeiro, Hygor Halyson Figueiredo / Toro, Diana Mota / Moura Neto, José Pereira de / Souza, Victor / Almeida, Maria Edilene Martins de / Nascimento, Valdinete Alves do / Costa, Cristovão Alves da / Naveca, Felipe Gomes / Santos, Mike / Vallinoto, Antonio Carlos Rosário

Revista da Sociedade Brasileira de Medicina Tropical

2020 Volume 54, Page(s) e20200066

Abstract: Introduction: We investigated the prevalence of human T-cell lymphotropic virus types 1 and 2 (HTLV-1/2) infection in patients with hematological diseases from the western Amazon region of Brazil.: Methods: Samples from 306 patients were submitted ... ...

Abstract	Introduction: We investigated the prevalence of human T-cell lymphotropic virus types 1 and 2 (HTLV-1/2) infection in patients with hematological diseases from the western Amazon region of Brazil. Methods: Samples from 306 patients were submitted for the molecular diagnosis of HTLV-1/2 infection by real time PCR (qPCR), with amplification, sequencing, and phylogenetic analysis of the long terminal repeat (LTR) region. Results: A 29-year-old male carrier of sickle cell anemia with a history of multiple blood transfusions was diagnosed with the HTLV-2c subtype. Conclusions: This study describes the first known occurrence of HTLV-2c in the urban area of Brazil's western Amazon region.
MeSH term(s)	Adult ; Brazil/epidemiology ; HTLV-I Infections/diagnosis ; HTLV-I Infections/epidemiology ; HTLV-II Infections/diagnosis ; HTLV-II Infections/epidemiology ; Human T-lymphotropic virus 1/genetics ; Human T-lymphotropic virus 2/genetics ; Humans ; Male ; Phylogeny
Language	English
Publishing date	2020-11-13
Publishing country	Brazil
Document type	Case Reports ; Journal Article
ZDB-ID	1038126-0
ISSN	1678-9849 ; 0037-8682
ISSN (online)	1678-9849
ISSN	0037-8682
DOI	10.1590/0037-8682-0066-2020
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