The National Immunisation Advisory Committee has advised that AstraZeneca vaccine could be less effective on older people and that the Pfizer and Moderna vaccinations are preffered for over 70s but why and what does that mean for our vaccination rollout? Joining Ciara to discuss was Professor of Immunology and Director of the Kathleen Lonsdale Institute for Human Health Research at Maynooth University, Paul Moynagh.
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