6 documents found, page 1 of 1
Seroprevalence of meningococcal serogroup C bactericidal antibodies in the Port...
Gonçalves, Paulo; Sáez-López, Emma; Carneiro, Sofia; Simões, Maria JoãoBackground: The incidence of invasive meningococcal disease due to serogroup C (MenC) decreased in Portugal since the introduction of the conjugate vaccine (MCC) in the free market in 2001 and in the National Immunisation Plan in 2006. Considering the potential waning of the antibody response reported in the literature, the different vaccination schemes that were used in our country over the past decade, and th...
Epidemiology and genetic variability of respiratory syncytial virus in Portugal...
Sáez-López, Emma; Cristóvão, Paula; Costa, Inês; Pechirra, Pedro; Conde, Patrícia; Guiomar, Raquel; Peres, Maria João; Viseu, Regina; Lopes, PauloRespiratory syncytial virus (RSV) is associated with substantial morbidity and mortality since it is a predominant viral agent causing respiratory tract infections in infants, young children and the elderly. Considering the availability of the RSV vaccines in the coming years, molecular understanding in RSV is necessary.
Lessons learned from a prolonged norovirus GII.P16-GII.4 Sydney 2012 variant ou...
Sáez-López, Emma; Marques, Rodrigo; Rodrigues, Nuno; Oleastro, Mónica; Andrade, Helena; Mexía, Ricardo; de Sousa, RitaObjective: To investigate an outbreak of acute gastroenteritis caused by norovirus (NoV) in a long-term care facility (LTCF) in Portugal to describe and estimate its extent, and we implemented control measures. Design: Outbreak investigation. Methods: Probable cases were residents or staff members in the LTCF with at least 1 of the following symptoms: (1) diarrhea, (2) vomiting, (3) nausea, and/or (4) abdominal...
Epidemiology and genetic variability of respiratory syncytial virus in Portugal...
Sáez-López, Emma; Cristóvão, Paula; Costa, Inês; Pechirra, Pedro; Conde, Patrícia; Guiomar, Raquel; Peres, Maria João; Viseu, Regina; Lopes, PauloIntroduction: Respiratory syncytial virus (RSV) is associated with substantial morbidity and mortality since it is a predominant viral agent causing respiratory tract infections in infants, young children and the elderly. Considering the availability of the RSV vaccines in the coming years, molecular understanding in RSV is necessary. Objective: The objective of the present study was to describe RSV epidemiolog...
Performance of surveillance case definitions for respiratory syncytial virus in...
Sáez-López, Emma; Pechirra, Pedro; Costa, Inês; Cristóvão, Paula; Conde, Patrícia; Machado, Ausenda; Rodrigues, Ana Paula; Guiomar, RaquelBackground: Well-established influenza surveillance systems (ISS) can be used for respiratory syncytial virus (RSV) surveillance. In Portugal, RSV cases are detected through the ISS using the European Union (EU) influenza-like illness (ILI) case definition. Aim: To investigate clinical predictors for RSV infection and how three case definitions (EU ILI, a modified EU acute respiratory infection, and one respira...
Challenging measles case definition: three measles outbreaks in three Health Re...
Augusto, Gonçalo Figueiredo; Cruz, Diogo; Silva, Andreia; Pereira, Natália; Aguiar, Bárbara; Leça, Ana; Serrada, Elisabete; Valente, PaulaWe report three simultaneous measles outbreaks with 112 confirmed cases in three Health Regions of Portugal, from February to April 2018. The mean age of cases was 30 years, 79% worked in a healthcare setting and 87% were vaccinated. Genotype B3 was identified in 84 cases from the three outbreaks. Primary cases in each outbreak were imported. Several cases presented with modified measles, highlighting the impor...