Global travel hubs could be key in future pandemic surveillance efforts. Here, using a global metapopulation model calibrated to epidemiology, phylogeography and air travel, the authors show that traveler-focused genomic surveillance at key hubs can speed up detection of SARS-CoV-2 variants under resource constraints.
- Haogao Gu
- Jifan Li
- Leo L. M. Poon
