Figure 3

The frequency of risk groups prioritized to receive the seasonal trivalent influenza vaccine, 2009 monovalent pandemic influenza vaccine, and 2010 and 2010-11 trivalent seasonal influenza vaccine in 31 countries in which the target group information were found for all 3 vaccines. Abbreviations for age, underlying medical conditions, role and occupation are the same as those employed in Figure 1. White grid lines are included at 10% intervals.