University of Liverpool - Department of Clinical Infection Microbiology and Immunology, University of Liverpool - Department of Clinical Infection Microbiology and Immunology, University of Liverpool - Department of Clinical Infection Microbiology and Immunology, Liverpool School of Tropical Medicine - Department of Tropical Disease Biology, University of Liverpool - NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, University of Liverpool - NIHR Health Protection Research Unit in Gastrointestinal Infections, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool - Center for Global Vaccine Research, University of Liverpool, University of Liverpool - Institute of Infection and Global Health and Independent