. 2021 Jul 11;25(5):2191–2239. doi: 10.1111/tgis.12792
© 2021 John Wiley & Sons Ltd
This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.
FIGURE 2.
GIS tools and (a) variables used, (b) topics covered