Petersen, E., McCloskey, B., Hui, D. S., Kock, R. A., Ntoumi, F., Memish, Z. A., …Zumla, A. (2020). COVID-19 travel restrictions and the International Health Regulations – Call for an open debate on easing of travel restrictions. International Journal of Infectious Diseases, 94, 88-90. https://doi.org/10.1016/j.ijid.2020.04.029