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Pesquisa de agentes virais, bacterianos e parasitários associados à diarréia infantil em Belém do Pará (Nota Prévia)
(Universidade Federal do Pará, 1980) -
Pesquisa de anticorpos para o vírus da Aids em parturientes com vida sexual promíscua na área de Belém (Estudo piloto)
(Sociedade Brasileira Pediatria, 1989)Estudaram-se 63 parturientes (entre 800 selecionadas) com história de vida sexual promíscua, quanto à presença de anticorpos para o vírus da AIDS. Utilizando-se método imunoenzimático competitivo (''Wellcozyme anti-HTLV ... -
Phylogenetic analysis of human group C rotavirus in hospitalized children with gastroenteritis in Belém, Brazil
(Wiley, 2016)Group C rotavirus (RVC) is potentially an important pathogen associated with acute gastroenteritis (AG), especially in outbreaks. This study aims to detect and molecularly characterize RVC in hospitalized children with AG ... -
Phylogenetic analysis of probable non-human genes of group A rotaviruses isolated from children with acute gastroenteritis in Belém, Brazil
(Wiley, 2012)Rotaviruses (RVs) are the main cause of acute viral gastroenteritis in both humans and young animals of various species such as calves, horses, pigs, dogs, cats, and birds. The genetic diversity of RVs is related to a ... -
Polymorphism in the promoter region of NFE2L2 gene is a genetic marker of susceptibility to cirrhosis associated with alcohol abuse
(MDPI, 2019)Alcoholic liver disease (ALD) is a highly prevalent spectrum of pathologies caused by alcohol overconsumption. Morbidity and mortality related to ALD are increasing worldwide, thereby demanding strategies for early diagnosis ... -
A possible fifth human rotavirus serotype and an unusual serotype 2, subgroup II rotavirus strains
(Sociedade Brasileira de Microbiologia, 1989)Uma cepa de rotavírus, obtida de criança diarreica com 22 meses de idade, não reagiu com anticorpos monoclonais para os quatro sorotipos desse agente, emergindo como um possível novo sorotipo. Essa amostra se caracterizou ... -
Potential role of Dengue virus, Chikungunya virus and Zika virus in neurological disease
(Instituto Oswaldo Cruz, 2018)This study showed that laboratory markers of recent infection by dengue, Zika or chikungunya arboviruses were detected in the biological samples of approximately one-third of patients with encephalitis, myelitis, ... -
Prevalence and epidemiological characteristics of human immunodeficiency virus-1 infection in an iron mining area with intense migratory flow in Pará State, Brazilian amazon, 2005–2014
(Springer Verlag, 2020)Acquired immunodeficiency syndrome (AIDS) caused by human immunodeficiency virus (HIV) is a major global public health problem. The aim of this study is to determine the prevalence of HIV-1 infection in four municipalities ... -
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 ... -
Prevalence and genetic diversity of astroviruses in children with and without diarrhea in São Luís, Maranhão, Brazil
(Instituto Oswaldo Cruz, 2005)Human astroviruses (HAstV) have been increasingly identified as important etiological agents of acute gastroenteritis in children up to five years old. The aim of this study was to determine the prevalence and genotype ... -
Prevalence of antibodies to Norwalk virus among amerindians in isolated amazonian communities
(Oxford University Press, 1994)The seroepidemiology of Norwalk virus infections was examined among Amerindians belonging to eight relatively Isolated communities in the Amazon region by means of a new enzyme immunoassay using recombinant Nonwalk virus ... -
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 ... -
Prevalence of HTLV-I antibody among two distinct ethnic groups inhabiting the Amazon region of Brazil
(Instituto de Medicina Tropical de São Paulo, 1992)HTLV-I seroprevalences of 3.63 percent (02/55), 12.19 percent (10/82) and 13.88 percent (10/72) were demonstlated among Tiryio, Mekranoiti and Xiclin AmazonianIndians, respectively, by the Western blotting enzyme assay ... -
Prevalence of human astrovirus genotypes associated with acute gastroenteritis among children in Belém, Brazil
(Wiley, 2007)Worldwide human astroviruses (HAstV) have increasingly been recognized as causative agents of viral gastroenteritis, mainly in infants and young children. The aim of this study was to assess the epidemiology and genotype ... -
Prevalence of human herpesvirus 6 antibody among isolated Amazonian Amerindian communities in Brazil
(Oxford University Press, 1994)Human herpesvirus 6 (HHV6) antibody was detected by the anticomplement immunofluorescence test in 65 of 592 serum samples (10.9%) obtained from Amerindians belonging to 4 remote communities inhabiting the Amazon Region ... -
Prevalence of human herpesvirus 6 antibody in the population of Belém, Pará, northern Brazil
(Oxford University Press, 1997)A total of 497 serum samples obtained from residents of 2 neighbourhoods (Terra-Firme and Guamá) in Belém, Pará, Brazil was tested for the presence of antibody to human herpesvirus 6 (HHV6), using an indirect immunofluorescence ... -
Prevalence of human herpesvirus 8 antibodies in the population of Belém, Pará, Brasil
(Universidade de São Paulo, 2002)Serum samples from 497 children and adults inhabiting two neighbourhoods (Guamá and Terra Firme) in Belém, Pará, North Brazil were screened for the presence of human herpesvirus 8 (HHV-8) antibody using an enzyme-linked ... -
Prevalence of human papillomavirus infection and phylogenetic analysis of HPV-16 E6 variants among infected women from Northern Brazil
(BioMed Central, 2014)Background: The main cause of cervical cancer in the world is high risks human papillomavirus infection (mainlyrepresented by HPV-16 and HPV-18), that are associated to the development of malign transformation of the ... -
Prevalence of human parvovirus (B19) and rubellavirus infections in urban and remote rural areas in northern Brazil
(Wiley, 1990)Sera from inhabitants of Belém, Pará (542 sera), Brazil and of members of 3 Brazilian tribes - Tiriyo/Alto Paru (near Surinam) (212 sera), Xicrin (128 sera), and Mekranoiti (121 sera) - of different age and sex groups were ... -
Prevalence of human T cell leukemia virus-I (HTLV-I) antibody among populations living in the Amazon region of Brazil (preliminary report)
(Instituto Oswaldo Cruz, 1990)Forty-tree (31.4%) out of 137 serum samples obtained from two Indian communities living in the Amazon region were found to be positive for HTLV-I antibody, as tested by enzyme-linked immunosorbent assay (Elisa). Eighty-two ...