Volume 17, Number 9—September 2011
Research
Increasing Incidence of Invasive Haemophilus influenzae Disease in Adults, Utah, USA
Figure 1

Figure 1. Comparison of annual incidence of invasive Haemophilus influenzae disease derived from the Utah Department of Health and Intermountain Healthcare databases, Utah, USA, 1998–2008. Black line, Intermountain Healthcare; red line, Utah Department of Health.