The Health Information and Quality Authority (HIQA) has today published three reviews on the duration of immunity following COVID-19 vaccination. It is to inform the work of the National Immunisation Advisory Committee (NIAC).
HIQA reviewed international evidence assessing the duration of protective immunity following COVID-19 vaccination in the general population and specific subgroups. The initial review examined the duration of protective immunity following COVID-19 vaccination in all populations aged 12 years and older. The first update focused on healthcare workers, while the second update focused on individuals with underlying conditions.
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