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Updated: Oct 19, 2026

An Optimized Hemagglutination Inhibition (HI) Assay to Quantify Influenza-specific Antibody Titers
Published on: December 1, 2017
How to improve the uptake of influenza vaccination in older persons at risk
Abstract:
A study was carried out to ascertain if those older persons at risk from influenza in Ireland would respond to a personalized invitation to attend for vaccination. Of the 193 patients invited to attend for vaccination, 126 (65.3 per cent) presented for vaccination. This rose to 142 (73.6 per cent) after a reminder letter was went out. In the year previous to the study only 80 (41.5 per cent) of the same cohort of patients were vaccinated. This study has demonstrated how a simple invitation for influenza vaccination can dramatically improve the uptake rates.
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