University of London - Royal Veterinary College, World Health Organization (WHO) - Regional Office for the Eastern Mediterranean, World Health Organization (WHO) - Regional Office for the Eastern Mediterranean, affiliation not provided to SSRN, World Health Organization (WHO) - World Health Organization, Country Office Somalia, Ministry of Health Somalia, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Public Health Agency of Sweden, Georgetown University, Johns Hopkins University, University of London - Royal Veterinary College, University of London - Royal Veterinary College, University College London - National Institute for Health and Care Research Biomedical Research Centre, The Royal Institute of International Affairs - Global Health Programme and University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences