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Preschool-located influenza vaccination and influenza-like illness surveillance: an Italian pilot experience
BackgroundWe describe the first school-located influenza vaccination campaign with quadrivalent live-attenuated influenza vaccine (LAIV) among...
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The prediction of influenza-like illness using national influenza surveillance data and Baidu query data
BackgroundSeasonal influenza and other respiratory tract infections are serious public health problems that need to be further addressed and...
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Comparison of Influenza-Like Illness (ILI) incidence data from the novel LeCellPHIA participatory surveillance system with COVID-19 case count data, Lesotho, July 2020 – July 2021
BackgroundWhile laboratory testing for infectious diseases such as COVID-19 is the surveillance gold standard, it is not always feasible,...
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Surveillance and characterization of avian-origin H3N2 canine influenza viruses in 2021 in China
Avian-origin H3N2 canine influenza virus (CIV) is one of the most prevalent influenza virus subtypes in dogs worldwide. Previous studies have shown...
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SARS-CoV-2, influenza A/B and respiratory syncytial virus positivity and association with influenza-like illness and self-reported symptoms, over the 2022/23 winter season in the UK: a longitudinal surveillance cohort
BackgroundSyndromic surveillance often relies on patients presenting to healthcare. Community cohorts, although more challenging to recruit, could...
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Clinical features and outcomes of influenza and RSV coinfections: a report from Canadian immunization research network serious outcomes surveillance network
BackgroundInfluenza and RSV coinfections are not commonly seen but are concerning as they can lead to serious illness and adverse clinical outcomes...
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Enhanced Safety Surveillance of GSK’s Inactivated Quadrivalent Seasonal Influenza Vaccine in Belgium, Germany, and Spain During the 2022/2023 Influenza Season
BackgroundSeasonal influenza is prevented through annual vaccination, especially in children and older adults. These vaccines are annually updated...
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Enhanced passive safety surveillance of a quadrivalent inactivated split virion influenza vaccine in Finland during the influenza season 2020/21
BackgroundThe European Medicines Agency (EMA) requires enhanced safety surveillance to be conducted for annual seasonal influenza vaccines with the...
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Post-Marketing Safety Surveillance of Quadrivalent Influenza Vaccine (VaxigripTetra) in Children Aged 6 to 35 Months in South Korea
IntroductionThe quadrivalent inactivated split-virion influenza vaccine (QIV; VaxigripTetra ® ) was initially licensed in South Korea in 2017 for...
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Influenza surveillance in pigs: balancing act between broad diagnostic coverage and specific virus characterization
BackgroundMonitoring of infectious diseases on swine farms requires a high diagnostic sensitivity and specificity of the test system. Moreover,...
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Post-marketing Surveillance of a Quadrivalent Influenza Vaccine (Vaxigrip Tetra) in South Korea
IntroductionIn 2017, a quadrivalent inactivated split-virion influenza vaccine (QIV; Vaxigrip Tetra ® , Sanofi) was licensed in South Korea for active...
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National influenza surveillance systems in five European countries: a qualitative comparative framework based on WHO guidance
BackgroundInfluenza surveillance systems vary widely between countries and there is no framework to evaluate national surveillance systems in terms...
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Comparison of influenza surveillance systems in Australia, China, Malaysia and expert recommendations for influenza control
BackgroundThe Western Pacific Region (WPR) is exposed each year to seasonal influenza and is often the source of new influenza virus variants and...
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Epidemiological and virological surveillance of influenza viruses in China during 2020–2021
BackgroundDuring the coronavirus disease 2019 (COVID-19) pandemic, seasonal influenza activity declined globally and remained below previous seasonal...
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Estimating the burden of influenza-attributable severe acute respiratory infections on the hospital system in Metropolitan France, 2012–2018
BackgroundTo date, estimating the burden of seasonal influenza on the hospital system in France has been restricted to influenza diagnoses in...
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Factors associated to the presence of headache in patients with influenza infection and its consequences: a 2010–2020 surveillance-based study
Headache is a common symptom of influenza infection; however, its causes and consequences remain uncertain. In this manuscript, we analyzed which...
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Changes in the incidence of seasonal influenza in response to COVID-19 social distancing measures: an observational study based on Canada’s national influenza surveillance system
ObjectivesSeasonal influenza is an acute respiratory infection that presents a significant annual burden to Canadians and the Canadian healthcare...
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An 8-Year Prospective, Observational, Multi-centre Post-Marketing Safety Surveillance Study Conducted in South Korea (2014–2022) Following the Introduction of GSK’s Inactivated Quadrivalent Seasonal Influenza Vaccine (Fluarix Tetra) for Subjects Aged 6 Months and Older
IntroductionSeasonal influenza is associated with substantial public health burden. The objective of this study was to assess the safety of...
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Safety of Simultaneous Administration of Bivalent mRNA COVID-19 and Influenza Vaccines in the Vaccine Adverse Event Reporting System (VAERS)
IntroductionBivalent mRNA coronavirus disease 2019 (COVID-19) vaccines may be simultaneously administered with other recommended vaccines, including...
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ATQ: alert time quality, an evaluation metric for assessing timely epidemic detection models within a school absenteeism-based surveillance system
BackgroundWellington-Dufferin-Guelph Public Health (WDGPH) has conducted an absenteeism-based influenza surveillance program in the WDG region of...
