A leading immunology expert has shared his concerns after cases of the latest Covid strain were reported in Ireland.
Professor of Immunology at Trinity College Dublin Kingston Mills says the Omicron XE variant may be 10 to 20% more transmissible than the Omicron BA.2 virus.
It comes after one case of the new 'hybrid' strain of the BA.1 and BA.2 variants has been reported in Ireland.