Publications by authors named "Ana Lameiras Azevedo"

Introduction: Our aim was to estimate the risk of pneumonia, admission to intensive care unit (ICU) or death in individuals ≥65 years old admitted to hospital with RSV, compared to influenza or COVID-19.

Methods: We included hospitalised patients from Severe Acute Respiratory Infection Surveillance in Spain between 2021-2024, aged ≥65 years, laboratory confirmed for RSV, influenza or SARS-CoV-2. Using a binomial regression with logarithmic link, we estimated the relative risk (RR) of pneumonia, ICU admission and in-hospital mortality, in patients with RSV compared to influenza or SARS-CoV-2, adjusting for age, sex, season and comorbidities.

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Article Synopsis
  • Respiratory syncytial virus (RSV) is a major cause of illness and hospitalization in young children, particularly those under 1 year old.
  • In the Valencian Community of Spain, a new monoclonal antibody called nirsevimab was introduced for high-risk children and those under 6 months as a preventive measure for the 2023-2024 RSV season.
  • Preliminary results indicate that the immunization campaign achieved 88.5% coverage, with immunized children showing a threefold reduction in RSV incidence and lower hospitalization rates for respiratory infections compared to those who were not immunized.
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Article Synopsis
  • The study analyzed data from Spain's surveillance system for severe acute respiratory infections to assess the effect of nirsevimab on infants born from April 1, 2023, onward.
  • Researchers compared actual RSV hospitalizations in children under one year old from late 2023 to early 2024 with expected numbers based on previous seasons.
  • The results showed a significant reduction in hospitalizations, estimating between 9,364 to 9,875 fewer cases, which represents a 74% to 75% decrease in RSV-related hospitalizations.
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Influenza A viruses circulated in Europe from September 2023 to January 2024, with influenza A(H1N1)pdm09 predominance. We provide interim 2023/24 influenza vaccine effectiveness (IVE) estimates from two European studies, covering 10 countries across primary care (EU-PC) and hospital (EU-H) settings. Interim IVE was higher against A(H1N1)pdm09 than A(H3N2): EU-PC influenza A(H1N1)pdm09 IVE was 53% (95% CI: 41 to 63) and 30% (95% CI: -3 to 54) against influenza A(H3N2).

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Background: Although recommendations to prevent COVID-19 healthcare-associated infections (HAIs) have been proposed, data on their effectivity are currently limited.

Objective: The aim was to evaluate the effectivity of a program of control and prevention of COVID-19 in an academic general hospital in Spain.

Methods: We captured the number of COVID-19 cases and the type of contact that occurred in hospitalized patients and healthcare personnel (HCP).

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