Figure 1.

Countries of the WHO European Region included in the analysis. Dark grey color indicates the countries of the Region that are included in the analysis. Longitudes of 30 and 60 degrees east indicate cut off values for conducting the analysis of geographic spread in different subsets of countries.

Martirosyan et al. BMC Infectious Diseases 2012 12:36   doi:10.1186/1471-2334-12-36
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