1. Erasmus Medical Center, Rotterdam, the Netherlands
2. These authors contributed equally to the manuscript.
3. Supreme Council of Health, Doha, Qatar
4. Netherlands Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
5. Ministry of Environment, Doha, Qatar
6. Leawaina camel hospital, Dukhan, Qatar
7. Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
8. Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands