Seasonal influenza is a substantial cause of severe illness among infants under 6 months of age globally. There are multiple methods of vaccination against influenza, including inactivated and live vaccines that are approved and recommended for children and adults over 6 months of age, but there is no vaccine that protects against seasonal influenza for children <6 months of age. This group is at a high risk of severe illness and is associated with higher rates of hospitalization and mortality during the influenza season. In absence of an available vaccine, approaches protecting young infants from influenza must be taken seriously. These methods include vaccinating pregnant women for influenza as a method of protecting mothers and the fetus as well as vaccinating caregivers and close contacts of individuals in this age group.
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http://dx.doi.org/10.4161/hv.29669 | DOI Listing |
The generation time, representing the interval between infections in primary and secondary cases, is essential for understanding and predicting the transmission dynamics of seasonal influenza, including the real-time effective reproduction number (Rt). However, comprehensive generation time estimates for seasonal influenza, especially since the 2009 influenza pandemic, are lacking. We estimated the generation time utilizing data from a 7-site case-ascertained household study in the United States over two influenza seasons, 2021/2022 and 2022/2023.
View Article and Find Full Text PDFClin Microbiol Infect
January 2025
Amiens, France. Electronic address:
Acute respiratory infections (ARIs) are a leading cause of death in children under five globally. The seasonal trends and profiles of respiratory viruses vary by region and season. Due to limited information and the population's vulnerability, we conducted the hospital-based surveillance of respiratory viruses in Eastern Uttar Pradesh.
View Article and Find Full Text PDFViruses
December 2024
Smorodintsev Research Institute of Influenza, 197376 Saint Petersburg, Russia.
Human seasonal coronaviruses (hCoVs) are a group of viruses that affect the upper respiratory tract. While seasonal patterns and the annual variability of predominant hCoV species are well-documented, their genetic and species diversity in St. Petersburg and across Russia remains largely unexplored.
View Article and Find Full Text PDFMedicina (Kaunas)
January 2025
Department of Health Sciences, University of Genoa, 16132 Genoa, Italy.
: Three respiratory syncytial virus (RSV) vaccines have been recently made available for older adults. Understanding the principal characteristics of the first vaccine-takers can pave the way for a successful vaccination campaign. The objective of this study was to explore the sociodemographic and clinical characteristics of the first Italian users of an adjuvanted RSV vaccine and their attitudes towards RSV and vaccination.
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