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    • G1P 8 Rotavirus in children with severe diarrhea in the post-vaccine introduction era in Brazil: evidence of reassortments and structural modifications of the antigenic VP7 and VP4 regions 

      Santos, F. S; Sousa Júnior, Edivaldo Costa; Guerra, Sylvia de Fátima dos Santos; Lobo, P. S; Penha Junior, E. T; Lima, A. B. F; Vinente, C. B. G; Chagas, E. H. N; Justino, M. C. A; Linhares, Alexandre da Costa; Matthijnssens, J; Soares, Luana da Silva; Mascarenhas, Joana D'Arc Pereira (Elsevier, 2019)
      Worldwide rotaviruses A (RVA) are responsible for approximately 215,000 deaths annually among children aged <5 years. RVA G1P[8] remains associated with >50% of gastroenteritis cases in this age group. The aim of this study ...

    • Gastroenterite canina - agentes virais nas fezes de cães diarréicos e não diarrréicos 

      Homem, V. S. F; Mendes, Yvone Gabbay; Linhares, Alexandre da Costa (Universidade Federal de Minas Gerais, 1999)
      Foram analisadas 33 amostras de fezes de cães com diarréia (n=25) e sem diarréia (n=8), de variadas idades e raças, de ambos os sexos, a fim de se determinar a ocorrência de agentes virais considerados causadores ...

    • Genetic evolution of influenza viruses among selected countries in Latin America, 2017–2018 

      Leite, Juliana Almeida; Resende, Paola; Araya, Jenny Lara; Barrera, Gisela Badillo; Baumeister, Elsa; Caicedo, Alfredo Bruno; Coppola, Leticia; Mello, Wyller Alencar de; Mora, Domenica de; Santos, Mirleide Cordeiro dos; Fasce, Rodrigo; Fernández, Jorge; Goñi, Natalia; Martínez, Irma López; Mayhua, Jannet Otárola; Motta, Fernando; Nuñez, Maribel Carmen Huaringa; Ojeda, Jenny; Ortega, María José; Ospitia, Erika; Paiva, Terezinha Maria de; Pontoriero, Andrea; Porras, Hebleen Brenes; Quinonez, Jose Alberto Diaz; Ramas, Viviana; Ramírez, Juliana Barbosa; Santos, Katia Correa de Oliveira; Siqueira, Marilda Mendonça; Vàzquez, Cynthia; Palekar, Rakhee (Public Library of Science, 2020)
      OBJECTIVE: Since the 2009 influenza pandemic, Latin American (LA) countries have strengthened their influenza surveillance systems. We analyzed influenza genetic sequence data from the 2017 through 2018 Southern Hemisphere ...

    • Genome analysis of adenovirus 4a, a causative agent of pharyngoconjunctival fever and respiratory diseases in Brazil. 

      Gomes, S. A; Gabbay, Yvone Benchimol; Nascimento, J. P; Niel, C (Wiley, 1988)
      An outbreak of pharyngoconjunctival fever caused by adenovirus (Ad) occurred in 1976 in Belem (northern Brazil). By restriction endonuclease analysis, it was shown that the type responsible was Ad4a, a variant of Ad4 ...

    • Genomic analysis of rotavirus species A isolated from swine, Amazon Region, Brazil 

      Neves, Mayara A. O; Camargo, Daniel S. de; Araújo, Kathleen V. S. de; Lobo, Patrícia S; Bandeira, Renato da S; Soares, Luana da Silva; Mascarenhas, Joana D'Arc Pereira (Krishna Institute of Science, 2018)
      This present study has aimed to provide a molecular characterization of rotavirus species A (RVA) and to determine the frequency of RVC and RVH in fecal specimens from nonvaccinated piglets, across 5 farms in the metropolitan ...

    • Genotipagem da resistência genotípica secundária aos antirretrovirais em pacientes com aids nos Estados do Pará e Amazonas, Brasil: 2002 a 2006 

      Macêdo, Olinda; Ferreira, Luciana Macedo; Vasconcelos, Pedro Fernando da Costa; Sousa, Rita Catarina Medeiros de; Freitas, Carmen Andrea; Araújo, José Ricardo Mourão (Instituto Evandro Chagas, 2011)
      A resistência às drogas antirretrovirais resulta da incompleta supressão da replicação do HIV-1. O presente estudo caracterizou o perfil de resistência genotípica aos antirretrovirais (ARV) em amostras sorológicas de 127 ...

    • Genotype diversity and molecular evolution of noroviruses: a 30-year (1982-2011) comprehensive study with children from Northern Brazil 

      Siqueira, Jones Anderson Monteiro; Bandeira, Renato da Silva; Oliveira, Darleise de Souza; Santos, Liann Filiphe Pereira dos; Gabbay, Yvone Benchimol (Public Library of Science, 2017)
      A chronologically comprehensive 30-year study was conducted that involved children living in Belém, in the Amazon region of Northern Brazil, who participated in eight different studies from October 1982 to April 2011. The ...

    • Genotypes of Epstein–Barr virus (EBV1/EBV2) in individuals with infectious mononucleosis in the metropolitan area of Belém, Brazil, between 2005 and 2016 

      Monteiro, Talita Antônia Furtado; Costa, Iran Barros; Costa, Igor; Corrêa, Thais Letícia dos Santos; Coelho, Beatriz Monteiro Rodrigues; Silva, Amanda Emanuelle Santos; Ramos, Francisco Lúzio de Paula; Martins Filho, Arnaldo Jorge; Monteiro, José Luiz Furtado; Siqueira, Jones Anderson Monteiro; Gabbay, Yvone Benchimol; Sousa, Rita Catarina Medeiros (Brazilian Society of Infectious Diseases, 2020)
      Two types of Epstein Barr virus (EBV1/EBV2) have been shown to infect humans. Although their genomes are similar, the regions containing the EBNA genes differ. This study aimed to characterize the EBV genotypes of infectious ...

    • Geographic variation in infant loss of maternal measles antibody and in prevalence of rubella antibody 

      Black, Francis L; Berman, L. L; Borgoño, J. M; Capper, R. A; Carvalho, A. A; Collins, C; Glover, O; Hijazi, Z; Jacobson, D. L; Lee, Y. L; Libel, M; Linhares, Alexandre da Costa; Mendizabal-Morris, C. A; Simões, E; Siqueira Campos, E; Stevenson, J; Vecchi, N (Oxford University Press, 1986)
      Maternal and cord measles and rubella antibodies were compared in 15 populations from Brazil, Ecuador, Chile, India, Jordan, Nigeria, South Africa, Taiwan, and the United States. Review of the literature concerning these ...

    • A global map of hemispheric influenza vaccine recommendations based on local patterns of viral circulation 

      Alonso, Wladimir J; Yu, Christine; Viboud, Cecile; Richard, Stephanie A; Schuck-Paim, Cynthia; Simonsen, Lone; Mello, Wyller Alencar de; Miller, Mark A (Nature Publishing Group, 2015)
      Both the Northern and the Southern Hemisphere annual WHO influenza vaccine recommendations are designed to ensure vaccine delivery before the winter-time peak of viral circulation in each hemisphere. However, influenza ...

    • Gripe epidêmica - Belém, Pará 

      Pinheiro Filho, Francisco de Paula; Macedo Filho, Allyrio; Corrêa, Orlando G; Sá, Elisa Vianna; Maia, Wilson L; F. Neto, Sebastião; Rodrigues, Hildeberg B (Fundação Serviço Especial de Saúde Pública, 1969)

    • Group A rotavirus and norovirus display sharply distinct seasonal profiles in Belém, northern Brazil 

      Siqueira, Jones Anderson Monteiro; Linhares, Alexandre da Costa; Gonçalves, Maryelle dos Santos; Carvalho, Thaís Cristina Nascimento de; Justino, Maria Cleonice Aguiar; Mascarenhas, Joana D'Arc Pereira; Gabbay, Yvone Benchimol (Instituto Oswaldo Cruz, 2013)
      Several viruses have been associated with acute gastroenteritis (AGE), and group A rotavirus (RVA) and nor-ovirus (NoV) are the most prevalent. This study aimed to assess their prevalence among children hospitalised for ...

    • H. pylori infection and virulence factors cagA and vacA (s and m Regions) in gastric adenocarcinoma from Para State, Brazil 

      Costa, Igor Brasil; Souza, Cintya de Oliveira; Monteiro, Leni Célia Reis; Santos, Maria Elisabete Silva; Oliveira, Edivaldo Herculano Corrêa de; Burbano, Rommel Mario Rodriguez (MDPI, 2022)
      H. pylori shows a great variability in genes associated with virulence, which may influence properties related to gastric adenocarcinoma initiation and progression. Among them, cagA and vacA show a strong positive association ...

    • Healthcare-associated infections among HIV-positive and HIV/AIDS-negative patients: a casuistic from the Amazonian Region 

      Reis, Danielle Saraiva Tuma dos; Carneiro, Irna Carla do Rosário Souza; Neves, Dilma Costa de Oliveira; Marsola, Lourival Rodrigues; Sousa, Rita Catarina Medeiros (Instituto Evandro Chagas, 2013)
      OBJECTIVE: To investigate and compare the incidence of healthcare-associated infections (HAIs) involving HIV and non-HIV/AIDS patients. METHODS: Analytical, observational and prospective study. Setting: The Infectious Disease ...

    • Hepatite no território de Rondônia 

      Dias, Leonidas Braga; Pinheiro Filho, Francisco de Paula (Fundação Serviço de Saúde Pública, 1969)

    • Hepatitis B virus surface antigen (HbsAg) and antibody (anti-HBs) forming immune complexes in fulminant hepatitis 

      Soares, Manoel do Carmo Pereira; Bensabath, Gilberta; Cartágenes, Paulo R. B; Alves, Max Moreira; Silveira, Fernando A. A; Linhares, Alexandre da Costa (Sociedade Brasileira de Medicina Tropical, 1999)
      This paper reports an unusual pattern of serological HBV markers and the presence of HBsAg/anti-HBs immune complexes in serum samples from two patients with fulminant hepatitis from the Brazilian Western Amazon Basin. The ...

    • Herpesvírus human-7 as a cause of disease exantemática in Belém, Pará, Brazil 

      Freitas, Ronaldo Barros de; Freitas, Maria Rute Castro de; Oliveira, Consuelo Silva de; Linhares, Alexandre da Costa (Sociedade Brasileira de Medicina Tropical, 2004)
      We screened sera from 370 patients suffering from exanthematous illnesses in Belém, North Brazil, for the presence of human herpesvirus-7 (HHV-7) IgM and IgG antibodies. Samples were obtained from January 1996 to December ...

    • High circulation of non-polio enteroviruses among hospitalized children with acute gastroenteritis in Belém, Pará State, Northern Brazil 

      Mota, Bruna Daniele Lisboa; Monteiro, Jacqueline Cortinhas; Freitas, Felipe Bonfim; Alves, Antonia dos Santos; Silveira, Edna da; Primo, Euda Galiza; Cunha, Clareana Costa Campelo; Wanzeller, Ana Lúcia Monteiro; Linhares, Alexandre da Costa; Tavares Neto, Fernando (Instituto Evandro Chagas, 2016)
      Os enterovírus são transmitidos por vias fecal-oral e respiratória e pode ser associado a casos esporádicos e surtos de gastroenterite. Um agente causativo em aproximadamente 40 por cento dos casos de diarreia que permanecem ...

    • High incidence of rhinovirus infection in children with community-acquired pneumonia from a city in the Brazilian pre-Amazon region 

      Ferreira, Hivylla L. dos Santos; Costa, Karla Luana P; Cariolano, Marilha S; Oliveira, Gustavo S; Felipe, Karen K. P; Silva, Elen S. A; Alves, Matheus S; Maramaldo, Carlos Eduardo C; Sousa, Eduardo M. de; Rego, Joseany S; Silva, Ilana C. P. A; Albuquerque, Rejane K. S; Araújo, Nathalya S. C; Amorim, Angela M. M; Costa, Luciane D; Pinheiro, Claudiana S; Guimarães, Vinícius A; Santos, Mirleide Cordeiro dos; Mello, Wyller Alencar de (Wiley, 2019)
      Community‐acquired pneumonia (CAP) is the leading cause of child death worldwide. Viruses are the most common pathogens associated with CAP in children, but their incidence varies greatly. This study investigated the ...

    • High prevalence of G12P[8] rotavirus strains in Rio Branco, Acre, Western Amazon, in the post-rotavirus vaccine introduction period 

      Neves, Mayara A. O; Pinheiro, Helder H. C; Silva, Rita do Socorro Uchôa da; Linhares, Alexandre da Costa; Silva, Luciana Damascena da; Gabbay, Yvone Benchimol; Silva, Mônica Cristina de Moraes; Loureiro, Edvaldo Carlos Brito; Soares, Luana da Silva; Mascarenhas, Joana D'Arc Pereira (Wiley, 2016)
      The present study aimed to provide a molecular characterization of circulating rotavirus (RVA) strains in Rio Branco, Acre, in the post-rotavirus vaccination period, particularly with regard to the emerging, increasingly ...