SEÇÃO DE VIROLOGIA
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Seção que atua na área de vigilância epidemiológica desenvolvendo pesquisa e trabalhos ligados a pesquisas biomédicas em virologia
Todas as informações contidas nessa comunidade podem ser utilizadas em trabalhos acadêmicos, desde que citada a fonte, preservando os direitos autorais, conforme a legislação que rege o direito autoral no país (Lei nº 9.610 , de 19.02.98).
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Whole-genome sequencing of Leishmania infantum chagasi isolates from Honduras and Brazil
(American Society for Microbiology, 2021)This work reports on the whole-genome sequencing of Leishmania infantum chagasi from Honduras (Central America) and Brazil (South America). -
Regulation of the immune checkpoint indoleamine 2,3-dioxygenase expression by Epstein–Barr Virus
(MDPI, 2021)Epstein–Barr virus (EBV) is an oncovirus ubiquitously distributed and associated with different types of cancer. The reason why only a group of infected people develop cancer is still unknown. EBV-associated cancers represent ... -
Detection of Epstein-Barr virus in gastric adenocarcinoma: qPCR and fish comparison
(Springer, 2022)EBV-associated gastric cancer accounts for about 10% of all gastric carcinomas worldwide. We aimed to verify the prevalence of EBV in gastric adenocarcinoma samples using FISH and qPCR and comparing the results obtained ... -
Simultaneous occurrence of Epstein-Barr virus (EBV) in periodontal pockets and in oral squamous cell carcinoma: a cross-sectional study
(Springer, 2021)Objectives: This study aimed to investigate the detection of Epstein-Barr virus (EBV) in oral squamous cell carcinoma (OSCC) and to verify the concordance of EBV-DNA frequency in subgingival sites and in the OSCC. Methods: ... -
Retrospective molecular analysis of norovirus recombinant strains in the amazon region, Brazil
(Elsevier, 2021)Background: Noroviruses are enteric viruses that cause acute gastroenteritis worldwide. Over two decades, GII.4 genotype was responsible for most cases. However, recombinant strains have emerged and changed the epidemiological ... -
Epidemiological risk factors associated with primary infection by Epstein-Barr virus in HIV-1-positive subjects in the Brazilian Amazon region
(Nature Research, 2021)To identify the prevalence and risk factors for primary Epstein–Barr virus (EBV) infection in human immunodeficiency virus (HIV)-1-positive adult treatment-naïve patients between January 2018 and December 2019 in a state ... -
Prevalence and factors associated with syphilis in people living with HIV/AIDS in the state of Para, Northern Brazil
(Frontiers Media, 2021)Syphilis continues to be a public health problem worldwide and its incidence has increased in people living with HIV/AIDS in recent years. This study determined the prevalence and factors associated with syphilis in people ... -
Detection of a novel species A, DS-1-like, G4P[6] rotavirus strain from a Brazilian child with gastroenteritis
(Wiley, 2021)Rotaviruses belonging to species A (RVA) remain among the most common causes of severe gastroenteritis in children aged <5 years, leading to substantial morbidity and mortality worldwide. Genome reassortment events between ... -
Molecular analysis of G3P[6] rotavirus in the Amazon region of Brazil: evidence of reassortment with equine-like strains
(Future Science Group, 2021)Aim: To perform a molecular analysis of rotavirus A (RVA) G3P[6] strains detected in 2012 and 2017 in the Amazon region of Brazil. Materials & methods: Eighteen RVA G3P[6] strains were collected from children aged under ... -
Further considerations about Detection and identification of enteroviruses circulating in children with acute gastroenteritis in Para State, Northern Brazil (2010-2011)
(BMC, 2021)On the detection and identifcation of enteroviruses circulating in children with acute gastroenteritis in Brazil: reply to Luchs, A. Comments on Detection and identifcation of enteroviruses circulating in children with ... -
Jejunal injuries in captive marmosets affected by chronic wasting disease
(MS/SVS/Instituto Evandro Chagas, 2021)INTRODUCTION: Wasting marmoset syndrome affects the Callitrichidae family reared in captivity, characterized by progressive muscle-weakening and wasting conditions. It has been one of the main causes of death in primates ... -
Diagnosis of intestinal amebiasis using coproscopic and immunological methods in a population sample in Greater Metropolitan Belém, Pará, Brazil
(Fiocruz. Escola Nacional de Saúde Pública Sergio Arouca, 2000)We compare diagnostic methods for Entamoeba histolytica in fecal samples from the city of Belém, Pará, Brazil. We analyze stool samples from children and adults (Group I); stool and serum samples from adults (Group II); ... -
The burden of norovirus disease in children: a multi-country study in Chile, Brazil, Thailand and the Philippines
(Elsevier, 2021)Background: Noroviruses (NoVs) cause acute gastroenteritis (AGE) worldwide, affecting children in particular. We aimed to estimate the burden of disease due to NoV among children aged <6 years in Brazil, Chile, Philippines ... -
PD-L1 expression associated with Epstein-Barr virus status and patients survival in a large cohort of gastric cancer patients in northern Brazil
(MDPI, 2021)Abstract: Gastric cancer (GC) is a worldwide health problem, making it one of the most common types of cancer, in fifth place of all tumor types, and the third highest cause of cancer deaths in the world. There is a ... -
Neurological disease caused by Oropouche virus in northern Brazil: should it be included in the scope of clinical neurological diseases?
(Springer, 2021)We describe two neurological cases of Oropouche virus infection in northern Brazil, where the virus is endemic but neglected as a pathogen. This study reiterates the necessity of developing protocols for diagnosing ... -
Rotavírus: gastroenterite e outras infecções por vírus entéricos
(Atheneu, 2021) -
Prevalence of high risk HPV in HIV-Infected women from Belem, Para, Amazon Region of Brazil: a cross-sectional study
(Frontiers Media, 2021)Human papillomavirus (HPV) is the most common sexually transmitted infection in the world. Several studies have shown a higher prevalence of HPV infection in HIV-infected women. The aim of this study was to determine the ... -
Evolutionary dynamics and dissemination pattern of the SARS-CoV-2 lineage B.1.1.33 during the early pandemic phase in Brazil
(Frontiers Media, 2021)A previous study demonstrates that most of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) Brazilian strains fell in three local clades that were introduced from Europe around late February 2020. Here we ... -
Comparing quality of reporting between preprints and peer-reviewed articles in the biomedical literature
(Cold Spring Harbor Laboratory, 2020)Preprint usage is growing rapidly in the life sciences; however, questions remain on the relative quality of preprints when compared to published articles. An objective dimension of quality that is readily measurable is ... -
Molecular characterization and epidemiological aspects of non-polio enteroviruses isolated from acute flaccid paralysis in Brazil: a historical series (2005–2017)
(Taylor & Francis, 2020)Due to the advanced stage of polio eradication, the possible role of non-polio enteroviruses (NPEVs) associated to acute flaccid paralysis (AFP) cases has been highlighted. In this study, we described epidemiological aspects ...