7 documents found, page 1 of 1
Performance of a qualitative rapid chromatographic immunoassay to diagnose COVI...
Santos, Vera Aparecida dos
Prevalence of anti-SARS-CoV-2 antibodies in outpatients of a large public unive...
Oliveira, Luanda Mara da Silva; Tiyo, Bruna Tiaki; Silva, Lais Teodoro da; Fonseca, Luiz Augusto Marcondes; Rocha, Rosana CouraCoronavirus disease 19 (COVID-19) is caused by SARS-Cov-2 and the manifestations of this infection range from an absence of symptoms all the way up to severe disease leading to death. To estimate the prevalence of past infection in a population, the most readily available method is the detection of antibodies against the virus. This study has investigated the prevalence of anti-SARS-CoV-2 antibodies in outpatie...
Sensitivity of the Wondfo One Step COVID-19 test using serum samples
Santos, Vera Aparecida dos; Rafael, Mayra Matias; Sabino, Ester Cerdeira; Duarte, Alberto José da Silva
Cytomegalovirus infection in transplant recipients
Azevedo, Luiz Sergio; Pierrotti, Lígia Camera; Abdala, Edson; Costa, Silvia Figueiredo; Strabelli, Tânia Mara Varejão; Campos, Silvia VidalCytomegalovirus infection is a frequent complication after transplantation. This infection occurs due to transmission from the transplanted organ, due to reactivation of latent infection, or after a primary infection in seronegative patients and can be defined as follows: latent infection, active infection, viral syndrome or invasive disease. This condition occurs mainly between 30 and 90 days after transplanta...
Avaliação da colonização por Helicobacter pylori através de teste sorológico (I...
Ribeiro, Rafael Bernardon; Martins, Herlon Saraiva; Santos, Vera Aparecida dos; Khouri, Marcelo el; Duarte, Leandro Savoy; Burattini, Marcelo NascimentoThe present study intended to analyze the seroprevalence of Helicobacter pylori, IgG, and its relation to dyspepsia in a population from the western Amazon region. During the "Projeto Bandeira Científica", a University of São Paulo Medical School program, in Monte Negro's rural areas, state of Rondônia, 266 blood samples were collected from volunteers. The material was tested for IgG antibodies anti-Helicobacte...
Simultaneous quantitation of serum HBV DNA and HBeAg can distinguish between sl...
Silva, Luiz Caetano da; Nova, Maria Luiza da; Ono-Nita, Suzane Kioko; Pinho, João Renato Rebello; Sitnik, Roberta; Santos, Vera Aparecida dosBACKGROUND: The quantitation of serum HBeAg is not commonly used to monitor viral response to therapy in chronic hepatitis B. METHODS: In this study, 21 patients receiving varying therapies were followed and their viral response monitored by concomitant viral load and HBeAg quantitation in order to study the meaning and the kinetics of both parameters. RESULTS: It was possible to distinguish between three diffe...
Seroprevalence of hepatitis B virus and hepatitis C virus in Monte Negro in the...
El Khouri, Marcelo; Duarte, Leandro Savoy; Ribeiro, Rafael Bernadon; Silva, Luis Fernando Ferraz da; Camargo, Luis Marcelo AranhaPURPOSE: This study was carried out in Monte Negro (state of Rondônia), a village in the Brazilian western Amazon region, where a University of São Paulo Medical School program for medical student training in rural assistance took place. It aimed to determine the prevalence of hepatitis B virus and hepatitis C virus, to investigate risk factors for infection, and to evaluate the State immunization program again...