Abstract
We characterized the epidemiology of typhus group rickettsiosis in Texas, USA. During 2003–2013, a total of 1,762 cases were reported to the state health department. The number of diagnosed cases and geographic expansion increased over time. Physician awareness is critical to diagnose and effectively treat rickettsial infections.
Highlights
We characterized the epidemiology of typhus group rickettsiosis in Texas, USA
In Texas, USA, most infections are attributed to Rickettsia typhi, the causative agent of murine typhus [1]
Clinical disease in humans often is characterized by the classical triad of fever, headache, and rash, 1 study found that rash was present in only 54% of cases and only 12.5% had the classical triad [6]
Summary
We characterized the epidemiology of typhus group rickettsiosis in Texas, USA. During 2003–2013, a total of 1,762 cases were reported to the state health department. Typhus group rickettsiosis (TGR) is a fleaborne disease. Rare cases of another TGR, R. prowazekii, have been reported in south Texas [2]. Clinical disease in humans often is characterized by the classical triad of fever, headache, and rash, 1 study found that rash was present in only 54% of cases and only 12.5% had the classical triad [6].
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