208 documents found, page 1 of 21
COVID-19 vaccine effectiveness against symptomatic infection with SARS-CoV-2 BA...
Lanièce Delaunay, Charlotte; Martínez-Baz, Iván; Sève, Noémie; Domegan, Lisa; Mazagatos, Clara; Buda, Silke; Meijer, Adam; Kislaya, IrinaBackground: Scarce European data in early 2021 suggested lower vaccine effectiveness (VE) against SARS-CoV-2 Omicron lineages than previous variants. Aim: We aimed to estimate primary series (PS) and first booster VE against symptomatic BA.1/BA.2 infection and investigate potential biases. Methods: This European test-negative multicentre study tested primary care patients with acute respiratory symptoms for SAR...
Health beliefs and attitudes toward Influenza and COVID-19 vaccination in Portu...
Santos, Ana João; Kislaya, Irina; Matias-Dias, Carlos; Machado, AusendaIntroduction: Vaccination is one of the most effective population strategies to prevent infectious diseases and mitigate pandemics, and it is important to understand vaccine uptake determinants since vaccine hesitancy has been increasing for the past few decades. The Health Belief Model (HBM) has been widely used for understanding vaccination behavior. The current study aimed to assess influenza vaccine (IV) no...
Interventions for increasing energy efficiency in hospitals (Protocol)
Chen-Xu, José; Kislaya, Irina; Fernandes, Ricardo M; Carvalho, Joana; Blanco-Rojas, Beatriz J; El-Omrani, Omnia; Miotto, Edoardo; Čič, KatjaThis is a protocol for a Cochrane Review (intervention). The objectives are as follows: The main objective is to assess the effectiveness of interventions designed to increase energy efficiency in hospitals.
Impact of influenza vaccination strategy on medically attended influenza in Por...
Machado, Ausenda; Kislaya, IrinaBackground: There is limited research on the impact of the yearly influenza vaccination programs in the eligible population. This study aimed to estimate the number of primary care medically attended influenza-confirmed cases (MAICC) among the population aged ≥65 years averted by influenza vaccination programme in Portugal during five seasons in the pre-COVID pandemic period (2015/16 to 2019/20). Methods: We co...
Impact of Lifting Mask Mandates on COVID-19 Incidence and Mortality in Portugal...
Torres, Ana Rita; Silva, Susana; Kislaya, Irina; Nunes, Baltazar; Barreto, Marta; Machado, Ausenda; Torres, Ana PaulaIntroduction: The use of face masks in public was one of several COVID-19 non-pharmaceutical interventions adopted to mitigate the pandemic in Portugal. The aim of this study was to evaluate the impact of lifting the mask mandate on the April 22, 2022 on COVID-19 incidence and mortality in mainland Portugal and in the Azores. As a secondary objective, we aimed to evaluate the evolution of COVID-19 cases in a se...
Reasons for non-uptake of Influenza Vaccination: comparison between high-risk a...
Santos, Ana João; Kislaya, Irina; Machado, Ausenda; Matias, Carlos Matias; Neto, MarianaBackground & objective: In Portugal, the Influenza Vaccine (IV) coverage remains bellow the coverage goals proposed by the European Union. Understanding motives for IV non-uptake, particularly for high-risk groups is essential for intervention purposes. The Health Belief Model (HBM) has been one of the most used theoretical frameworks to understand vaccination. This study aims to describe the Portuguese non-upt...
COVID-19 vaccine effectiveness among healthcare workers: a hospital-based cohor...
Gaio, Vânia; Santos, Ana João; Amaral, Palmira; Faro Viana, João; Antunes, Isabel; Pacheco, Vânia; Paiva, Artur; Pinto Leite, PedroObjectives Healthcare workers (HCWs) were the first to be prioritised for COVID-19 vaccination. This study aims to estimate the COVID-19 vaccine effectiveness (VE) against SARS-CoV- 2 symptomatic infection among HCWs in Portuguese hospitals. Design Prospective cohort study. Setting and participants We analysed data from HCWs (all professional categories) from three central hospitals: one in the Lisbon and Tagus...
Portuguese Heart Failure Prevalence Observational Study (PORTHOS) rationale and...
Baptista, Rui; Silva Cardoso, José; Canhão, Helena; Maria Rodrigues, Ana; Kislaya, Irina; Franco, Fátima; Bernardo, Filipa; Pimenta, JoanaIntroduction and objectives: Current epidemiological data on heart failure (HF) in Portugal derives from studies conducted two decades ago. The main aim of this study is to determine HF prevalence in the Portuguese population. Using current standards, this manuscript aims to describe the methodology and research protocol applied. Methods: The Portuguese Heart Failure Prevalence Observational Study (PORTHOS) is ...
Portuguese Heart Failure Prevalence Observational Study (PORTHOS) rationale and...
Baptista, Rui; Silva Cardoso, José; Canhão, Helena; Maria Rodrigues, Ana; Kislaya, Irina; Franco, Fátima; Bernardo, Filipa; Pimenta, JoanaIntroduction and objectives: Current epidemiological data on heart failure (HF) in Portugal derives from studies conducted two decades ago. The main aim of this study is to determine HF prevalence in the Portuguese population. Using current standards, this manuscript aims to describe the methodology and research protocol applied. Methods: The Portuguese Heart Failure Prevalence Observational Study (PORTHOS) is ...
Prevalence Rate of Thalassemia Carriers among Individuals with Microcytosis or ...
Santos , Daniela; Barreto, Marta; Kislaya, Irina; Mendonça, Joana; P. Machado, Miguel; Lopes, Pedro; Matias Dias, Carlos; Faustino, PaulaIntroduction: Microcytosis and hypochromia result from deficient hemoglobin synthesis in red blood cells and are easily detected in a complete blood count test. These conditions are mainly due to iron nutritional deficiency, but may also result from some genetic diseases, such as thalassemia. The aim of this study was to determine the contribution of β- and α-thalassemia to these abnormal hematological phenotyp...