Figure 2
From: Spatio-temporal epidemiology of the cholera outbreak in Papua New Guinea, 2009–2011
Total case numbers and the main modes of transport between the affected provinces. The figures are based on cases for which time and space data were available. The transport routes depict the main routes of transport available between provinces and do not represent the actual transport paths. Pedestrian transport is also important between neighbouring provinces, but is not depicted. The line colours indicate the different modes of transport: green - air travel; blue - boat; black - road. NCD - National Capital District.