If you/your child are interested in participating, please select your nearest site below, to complete a brief pre-screening questionnaire: University Hospital Southampton NHS Foundation Trust St Mary's Hospital - PPDS Bristol Royal Hospital For Children Leicester Children’s Hospital, Ward 14, Level 4, St George's Healthcare NHS Trust Bradford Royal Infirmary Addenbrooke's Hospital Centre for Clinical Vaccinology and Tropical Medic Birmingham Children's Hospital NHS Foundation Trust Alder Hey Childrens Hospital Royal Manchester Children's Hospital - PPDS Cardiff Royal Infirmary - PPDS
