MURINE TYPHUS (MT), a zoonosis that is caused by
Rickettsia typhi, occurs all over the world, with endemic areas in North and South America, Southeast Asia, Africa, Australia, and some southern European countries.
1-10 The importance of this illness has been underestimated. It is more frequent than is commonly believed and represents a worldwide health problem.
11 Studies on its prevalence have shown that it also occurs in Spain.
12,13 Sporadic cases have been reported in Seville, Huelva, and Murcia,
7-9 but, to our knowledge, no extensive studies have been performed to investigate its clinical and epidemiological characteristics. Therefore, its real incidence is not known.