Volume 18, Number 1—January 2012
Research
Invasive Meningococcal Capsular Group Y Disease, England and Wales, 2007–2009
Figure 1

Figure 1. Number of persons with invasive meningococcal capsular group Y (MenY), by age group and year (A) and incidence with clinical features of MenY disease, by age group, in 2009 (B), England and Wales.