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1 Department of Geriatric Medicine, Galway University Hospitals, Galway H91 YR71, Ireland.
2 Department of Emergency Medicine, Galway University Hospitals, Keppel Street, London WC1E 7HT, UK.
3 Teaching and Diagnostics Unit, London School of Hygiene and Tropical Medicine, Faculty of Infectious and Tropical Diseases, Keppel Street, London WC1E 7HT, UK.
4 Department of Microbiology, Galway University Hospitals, Galway H91 YR71, Ireland.
5 Department of Immunology, Galway University Hospitals, Galway H91 YR71, Ireland.
1 Department of Geriatric Medicine, Galway University Hospitals, Galway H91 YR71, Ireland.
2 Department of Emergency Medicine, Galway University Hospitals, Keppel Street, London WC1E 7HT, UK.
3 Teaching and Diagnostics Unit, London School of Hygiene and Tropical Medicine, Faculty of Infectious and Tropical Diseases, Keppel Street, London WC1E 7HT, UK.
4 Department of Microbiology, Galway University Hospitals, Galway H91 YR71, Ireland.
5 Department of Immunology, Galway University Hospitals, Galway H91 YR71, Ireland.