International travel between global urban centres vulnerable to yellow fever transmission

Bulletin of the World Health Organization
Volume 96, Number 5, May 2018, 297-368
http://www.who.int/bulletin/volumes/96/5/en/

International travel between global urban centres vulnerable to yellow fever transmission
Shannon E Brent, Alexander Watts, Martin Cetron, Matthew German, Moritz UG Kraemer, Isaac I Bogoch, Oliver J Brady, Simon I Hay, Maria I Creatore & Kamran Khan
http://dx.doi.org/10.2471/BLT.17.205658