Kristy O. Murray
, Nicole Evert, Bonny Mayes, Eric Fonken, Timothy Erickson, Melissa N. Garcia, and Tom Sidwa
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.