ELITE ATHLETES SUSCEPTIBLE TO RESPIRATORY TRACT INFECTION ARE CHARACTERISED BY REDUCED CIRCULATING MEMORY T REGULATORY CELLS, UPPER AIRWAY MICROBIAL DYSBIOSIS AND DYSREGULATION OF SPHINGOLIPID METABOLISM - Cuthbertson, L; Turner, SEG; Jackson, A; Ranson, C; Loosemore, M; Kelleher, P; Cookson, WOC; Moffatt, MF; Hull, JH; Shah, A (BMJ PUBLISHING GROUP, 2021)