Volume 28, Supplement—December 2022
SUPPLEMENT ISSUE
Surveillance
Community-Based Surveillance and Geographic Information System‒Linked Contact Tracing in COVID-19 Case Identification, Ghana, March‒June 2020
Figure 1
![Sample spatial distribution of initial COVID-19 cases defining 2 km buffer around confirmed cases before geographic positioning system‒linked contact tracing, Greater Accra Region, Ghana, March 31, 2022. Insets show location of study area in Greater Accra and of Greater Accra in Ghana.](/eid/images/22-1068-F1.jpg)
Figure 1. Sample spatial distribution of initial COVID-19 cases defining 2 km buffer around confirmed cases before geographic positioning system‒linked contact tracing, Greater Accra Region, Ghana, March 31, 2022. Insets show location of study area in Greater Accra and of Greater Accra in Ghana.
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