Impact of case importation rate. Year of eradication of all three diseases versus case importation rate, under the sequential strategy. In subpanel (a), importation rates are varied uniformly across all countries. In subpanel (b) case importation rate into and out of India varies while the migration rates between Nigeria and Afghanistan remain at the baseline value of 0.01% per year; Subpanels (c) and (d) show the same for Nigeria and Afghanistan respectively.
Fitzpatrick and Bauch BMC Public Health 2011 11:739 doi:10.1186/1471-2458-11-739