%0 Journal Article %B npj Digital Medicine %D 2021 %G eng %I Springer Science and Business Media LLC %N 1 %R 10.1038/s41746-021-00442-3 %T Using digital surveillance tools for near real-time mapping of the risk of infectious disease spread %U https://www.nature.com/articles/s41746-021-00442-3.pdf %V 4