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Background: Data from the sentinel surveillance system of severe acute respiratory infections in Spain were used to estimate the impact of administration of nirsevimab to children born from 1 April 2023 onwards., Methods: Estimated RSV hospitalisations in < 1-year-olds during weeks 40, 2023, to 8, 2024, were compared to the number that would be expected after accounting for the background change in RSV circulation in the 2023/24 season, compared to 2022/23., Results: We estimated 9364-9875 RSV hospitalisations less than expected, corresponding to a 74%-75% reduction., (© 2024 The Authors. Influenza and Other Respiratory Viruses published by John Wiley & Sons Ltd.)

Objective: To describe an outbreak of hepatitis A in the city of Albacete (Spain) and to assess the effectiveness of the control measures implemented., Methods: When the outbreak was noted, definitions of a case were established. Clinical and epidemiological data were collected through a survey. The temporal-spatial distribution was identified through mapping and the epidemic curve. Health education and immunoglobulin (IG) administration were conducted as immediate prevention and control measures in the population at risk., Results: From January 2005 to January 2006, 62 cases were reported. The most affected age groups were school children and young adults. Transmission was person to person. The epidemic curve was divided into two periods. Initial control measures consisted of hygiene measures and IG administration to contacts. In the second period, these measures were complemented with vaccination against hepatitis A in students of the school centers of the two neighborhoods initially involved. Due to public alarm and spread of the outbreak to adjacent neighborhoods, vaccination was extended to schools close to those where cases had been detected. No cases were notified after the last vaccination in January 2006., Conclusions: The use of vaccination after exposure to the hepatitis A virus in young adults and the school population seems to be an effective outbreak control measure., (Copyright © 2009 SESPAS. Published by Elsevier Espana. All rights reserved.)