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Ritva Syrjänen

National Institute for Health and Welfare

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Effectiveness of the quadrivalent high-dose influenza vaccine for prevention of cardiovascular and respiratory events in people aged 65 years and above: Rationale and design of a real-world pragmatic randomized clinical trial

2021
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Author response for "Clinical characteristics and population‐based attack rates of respiratory syncytial virus versus influenza hospitalizations among adults—An observational study"

2021
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Clinical characteristics and population-based attack rates of respiratory syncytial virus versus influenza hospitalizations among adults-An observational study

2021
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Effectiveness of the quadrivalent high-dose influenza vaccine for prevention of cardiovascular and respiratory events in people aged 65 years and above: rationale and design of a real-world pragmatic randomized clinical trial.

2021 American Heart Journal
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Comparison of the clinical characteristics and outcomes of hospitalized adult COVID-19 and influenza patients: a prospective observational study

2020 medRxiv
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Pandemic influenza A(H1N1pdm09) vaccine induced high levels of influenza-specific IgG and IgM antibodies as analyzed by enzyme immunoassay and dual-mode multiplex microarray immunoassay methods

2020 Vaccine
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Vaccine effectiveness against influenza A(H3N2) and B among laboratory‐confirmed, hospitalised older adults, Europe, 2017‐18: A season of B lineage mismatched to the trivalent vaccine

2020 Influenza and Other Respiratory Viruses
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Comparison of the clinical characteristics and outcomes of hospitalized adult COVID-19 and influenza patients - a prospective observational study.

2020 Infectious diseases
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Cohort study design for estimating the effectiveness of seasonal influenza vaccines in real time based on register data: The Finnish example

2020
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The prevalence of otitis media in 2–3 year old Cameroonian children estimated by tympanometry

2018 International Journal of Pediatric Otorhinolaryngology
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