University of Oxford, University of Oxford, University of Oxford, University of Oxford, University of Oxford, University of Oxford, Cardiff University - Division of Infection and Immunity, Cardiff University, National Hospital Abuja, National Hospital Abuja, Aminu Kano Teaching Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Lagos - College of Medicine, affiliation not provided to SSRN, Kaduna State University, University of Oxford - INEOS Oxford Institute for Antimicrobial Research, University of Oxford and University of Oxford - INEOS Oxford Institute for Antimicrobial Research