23 documents found, page 1 of 3

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COVID-19 vaccine effectiveness in the paediatric population aged 5-17 years: a ...

Soares, Patricia; Machado, Ausenda; Nicolay, Nathalie; Monge, Susana; Sacco, Chiara; Hansen, Christian Holm; Meijerink, Hinta; Martínez-Baz, Iván

Background: During the first year of the COVID-19 pandemic, vaccination programmes targeted children and adolescents to prevent severe outcomes of SARS-CoV-2 infection. Aim: To estimate COVID-19 vaccine effectiveness (VE) against hospitalisation due to COVID-19 in the paediatric population, among those with and without previously documented SARS-CoV-2 infection. Methods: We established a fixed cohort followed f...


Distribution of the West Nile Virus vector, Culex pipiens, in mainland Portugal...

Martinho, Júlia; Costa Osório, Hugo; Amaro, Fátima; Silva, Manuel; Marques Zé-Zé, Líbia Maria; Pereira Figueira Alves, Maria João; Nunes, Baltazar

Background: Culex pipiens, Portugal’s most abundant mosquito, is a vector for several pathogens including the West Nile virus. Understanding its spatial distribution can contribute to vector-borne diseases control and public health planning, given Portugal’s favourable climate. National-level data on its spatial distribution, especially in relation to climatic variables is limited. We aimed to predict the suita...


Is a tiered restrictions system an effective intervention for COVID-19 control?...

Moniz, Marta; Soares, Patricia; Nunes, Baltazar; Leite, Andreia

Background: In November 2020, similar to other European countries, Portugal implemented a tiered restrictions system to control the COVID-19 pandemic. We aimed to compare the COVID-19 growth rate across tiers to assess the effect of a tiered restrictions system in Portugal, using models with different times between tiers assessment. Our hypothesis was that being in a higher tier brings a faster deceleration in ...


Toscana Virus in Wild-Caught Sand Flies in Portugal, Findings from the National...

Amaro, Fátima; Amaro F.; Zé-Zé, Líbia; Osório, Hugo; Soares, Patricia; Silva, Manuel; Freitas, Inês Campos; Alves, Maria João

Phlebotomine sand flies play a crucial role in both human and veterinary medicine, acting as vectors for Leishmania parasites and most known phleboviruses. In Portugal, the REVIVE program, a comprehensive national surveillance network under the Ministry of Health, has included sand fly surveys since 2016. REVIVE aims to identify existing sand fly species in the country, determine which pathogens are circulating...


The spread of the invasive mosquito Aedes albopictus (Diptera: Culicidae) in Po...

Zé-Zé, Líbia; Campos Freitas, Inês; Silva, Manuel; Soares, Patricia; Alves, Maria João; Osório, Hugo

Background: Aedes albopictus, commonly known as the Asian tiger mosquito, has become one of the most invasive mosquito species. Over the last 5 decades, it has been introduced and established in various tropical and temperate regions worldwide. First reported in Europe in 1979 in Albania and later in Italy in 1990, the species is now established in 13 European Union (EU)/European Economic Area (EEA) countries a...


Mark–Release–Recapture Trial with Aedes albopictus (Diptera, Culicidae) Irradia...

Amaro, Fátima; Amaro F.; Soares, Patricia; Velo, Enkelejda; Oliveira Carvalho, Danilo; Gomez, Maylen; Balestrino, Fabrizio; Puggioli, Arianna

Aedes albopictus is considered one of the major invasive species in the world and can transmit viruses such as dengue, Zika, or chikungunya. The Sterile Insect Technique (SIT) can be used to suppress the native populations of Ae. albopictus. Mark–release–recapture (MRR) studies are crucial to support the development of the release strategy during the SIT application. Meanwhile, weather conditions can affect the...


Effectiveness of XBB.1.5 Monovalent COVID‐19 Vaccines During a Period of XBB.1....

Monge, Susana; Humphreys, James; Nicolay, Nathalie; Braeye, Toon; Van Evercooren, Izaak; Holm Hansen, Christian; Emborg, Hanne‐Dorthe; Sacco, Chiara

Using a common protocol across seven countries in the European Union/European Economic Area, we estimated XBB.1.5 monovalent vaccine effectiveness (VE) against COVID-19 hospitalisation and death in booster-eligible ≥ 65-year-olds, during October–November 2023. We linked electronic records to construct retrospective cohorts and used Cox models to estimate adjusted hazard ratios and derive VE. VE for COVID-19 hos...


Adapting to COVID-19: Insights from Portuguese residents' home-based life

Aguiar, Ana; Soares, Patricia; Barbosa, Pedro; Duarte, Raquel; Pinto, Marta

Background: The COVID-19 pandemic led to widespread lockdowns and remote work and educational practices that have impacted the lives of many families. Objective: We aimed to investigate how parents and caregivers altered their routines due to online schooling and teleworking, exploring their association with increased anxiety and depression symptoms. Methods: We conducted an online cross-sectional study and col...


Long COVID is not the same for everyone: a hierarchical cluster analysis of Lon...

Moniz, Marta; Ruivinho, Carolina; Goes, Ana Rita; Soares, Patricia; Leite, Andreia

Background: Identifying symptom clusters in Long COVID is necessary for developing effective therapies for this diverse condition and improving the quality of life of those affected by this heterogeneous condition. In this study, we aimed to identify and compare symptom clusters at 9 and 12 months after a SARS-CoV-2 positive test and describe each cluster regarding factors at infection. Methods: This is a cross...


Individual risk factors associated with SARS-CoV-2 infection during Alpha varia...

Moniz, Marta; Pereira, Sofia; Soares, Patricia; Aguiar, Pedro; Donato, Helena; Leite, Andreia

Objectives: This study aimed to systematically appraise risk factors associated with SARS-CoV-2 infection in high-income countries during the period of predominance of the Alpha variant (January 2020 to April 2021). Methods: Four electronic databases were used to search observational studies. Literature search, study screening, data extraction and quality assessment were conducted by two authors independently. ...


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