Consulta: creatorFacets:"Santos,Norma"
Registros recuperados: 6
Data/hora: 12/06/2024 13:45:19

Incidence of group A rotavirus in urban and rural areas of the city of Londrina-Brazil, from 1995 to 1997
Provedor de dados: Brazilian Archives of Biology and Technology
Autores: Meneghetti,Ângelo Cesar; Bolognini,Andrea Maria; Lauretti,Flávio; Linhares,Rosa Elisa Carvalho; Santos,Norma; Nozawa,Carlos Mitihiko.
Rotaviruses are common pathogens and the causal agents of acute diarrhea among children and young animals. The involvement of rotavirus in human diarrheal disease among population of urban and rural areas of the city of Londrina, Parana was evaluated. Nine hundred and five fecal specimens from persons with diarrhea were studied, being 686 and 219 from urban and rural areas, respectively. Thirty-eight samples (4,2%) were positive for rotavirus by polyacrylamide gel electrophoresis of viral RNA and latex agglutination test of which 36 were from urban and two from rural areas. Out of the positive specimens, 17 strains were further characterized by RT-PCR typing assay, resulting in 16 strains of G1 genotype while one sample was found to be a mixture of G1 and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotavirus; Diarrhea; PAGE; LA; PCR.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000300006

Asthma exacerbation and viral infection in adult patients, Brazil
Provedor de dados: Brazilian Journal of Infectious Diseases
Autores: Silva,Raquel Cirlene; Couceiro,José Nelson; Câmara,Fernando Portela; Valle,Solange; Santos,Norma.
Tipo: Info:eu-repo/semantics/other
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000400446

Detection and characterization of human rotavirus in hospitalized patients in the cities of Ponta Grossa, Londrina and Assai - PR, Brazil
Provedor de dados: Brazilian Journal of Infectious Diseases
Autores: Nozawa,Carlos M; Kerntopf,Gustavo Franthesco; Czernisz,Érika da Silva; Albuquerque,Daniele; Romanin,Priscila; Freitas,José Felipe Eliseu; Santos,Norma; Benati,Fabrício José; Pietruchinski,Eduardo; Linhares,Rosa Elisa Carvalho.
Acute diarrheal disease is still one of the major public health problems worldwide. Rotaviruses (RV) are the most important viral etiologic agents and children under five years of age are the target population. OBJECTIVE: To investigate the rate of RV infection in hospitalized patients due to acute diarrhea in the cities of Ponta Grossa, Londrina and Assai - Paraná. METHODS: Latex agglutination (LA); immunochromatography (ICG); polyacrylamide gel electrophoresis (PAGE) and negative staining electron microscopy (ME) tests were used to detect the virus. For the genotyping, RT-PCR and RT-PCR-ELISA were used, respectively, for NSP4 and VP4/VP7. RESULT: Out of 124 samples there were 69 positive stool samples for RV, for at least one of the used tests, 67 of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotavirus; Determination; Hospitalized patients; Genotyping.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000600002

Molecular characterization of group A rotavirus isolates obtained from hospitalized children in Salvador, Bahia, Brazil
Provedor de dados: Brazilian Journal of Infectious Diseases
Autores: Serravalle,Karina; Santos,Norma; Sardi,Silvia Inês; Silva,Sarah Peregrino Santos; Ribeiro Junior,Hugo da Costa; Mattos,Ângela Peixoto de; Campos,Gúbio Soares.
Rotavirus is a major cause of infectious diarrhea in infants and young children. The objective of this study was to characterize the genotypes of Human Rotavirus found in children hospitalized with acute diarrhea in the Pediatric Hospital Prof. Hosannah de Oliveira of the UFBA in Salvador, Bahia, Brazil, during the years of 1999, 2000 and 2002. Fecal samples were analyzed (n=358) by methods EIARA and SDS-PAGE for detection of Rotavirus. Positive samples of one or two of these methods (n=168) were submitted to RT-PCR and Multiplex-Nested PCR to determine genotypes G and P. A hundred sixty-eight (46.9%) samples were positive and 190 (53.1%) negative. Only 17 (4.7%) samples had divergent results. The distribution of genotypes G during the first year, showed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotavirus; PCR; Genotype; Children.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000100010

Frequency of viral etiology in symptomatic adult upper respiratory tract infections
Provedor de dados: Brazilian Journal of Infectious Diseases
Autores: Silva,Raquel Cirlene da; Mendes,Gabriella da Silva; Rojas,Miguel Angel; Amorim,Ariane Ribeiro; Couceiro,José Nelson; Lupi,Omar; Elabras,José; Pires,Gisele; Valle,Solange; Santos,Norma.
Aims: To determine the frequency of viral pathogens causing upper respiratory tract infections in non-hospitalized, symptomatic adults in the city of Rio de Janeiro.Methods:Respiratory samples (nasal/throat swabs) were collected between August 2010 and November 2012 and real time PCR was used to detect different viral pathogens.Results:Viruses were detected in 32.1% (43/134) of samples from 101 patients. Speciﬁcally, 9% (12/134) were positive for HBoV, 8.2% (11/134) were positive for HAdV, 5.2% (7/134) were positive for HRV, and 1.5% (2/134) were positive for FLUBV or HMPV, as single infections. HRSV-A, HPIV-3, and HCoV-HKU1 were detected in one (0.75%) sample each. Co-infections were detected in 4.8% (6/134) of the samples. Peaks of viral infections were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Respiratory infection; Viral infection; Viral diagnosis; Epidemiology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000100030

Molecular characterization of viruses associated with gastrointestinal infection in HIV-positive patients
Provedor de dados: Brazilian Journal of Infectious Diseases
Autores: Silva,Raquel C; Benati,Fabrício J; Pena,Giselle PA; Santos,Norma.
BACKGROUND: Diarrhea is a major cause of morbidity and mortality among HIV-infected patients worldwide. OBJECTIVE: We sought to determine the frequency of viral gastrointestinal infections among Brazilian HIV-infected patients with diarrhea. METHODS: A collection of 90 fecal specimens from HIV-infected individuals with diarrhea, previously tested for the presence of bacteria and parasite was analyzed by polymerase chain reaction and sequence analysis for the presence of enteric viruses such as astrovirus, norovirus, rotavirus groups A, B and C, adenovirus, herpes simplex virus, Epstein-Barr virus, cytomegalovirus, and human bocavirus. RESULTS: Twenty patients (22.2%; n = 90) were infected with parasites (11 single infections and nine coinfected with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: HIV infection; Gastrointestinal disorders; Cytomegalovirus; Human bocavirus.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000600001