Volume 23, Number 4—April 2017
Dispatch
Typhus Group Rickettsiosis, Texas, USA, 2003–2013
Figure 2

Figure 2. Geographic distribution of typhus group rickettsiosis, Texas, 2003–2013. A) County-level cumulative incidence per 100,000 population, 2003–2013, and spread into new geographic areas beginning in 2007. B) Incidence stratified by geographic location; <28°N represents south Texas.