Abstract
Reemerging murine typhus, Japan.
Highlights
Indirect immunofluorescence of the serum samples on days 6, 9, 20, and 34 of the illness was conducted by using strains 18 and Wilmington of R. typhi, and the strain Breinl of R. prowazekii as typhus group rickettsiae; and the strain YH of R. japonica, the strain Malish 7 of R. conorii, and the strain Tick of R. montanensis as the spotted fever group rickettsiae
As expected from the immunofluorescence data, no reaction was demonstrated to the lipopolysaccharide of spotted fever group rickettsiae, R. japonica and R. montanensis, trace cross-reactivity, mainly to rOmpB, was shown
Compared to the trace reaction of spotted fever group rickettsiae to rOmpB, a stronger, but still weak, reaction was detected to the heat-labile state of rOmpB of R. prowazekii, and an extremely strong reaction was demonstrated to the heat-labile and heat-stable states of rOmpB of R. typhi
Summary
6. Papa A, Mills JN, Kouidou S, Ma B, Papadimitriou E, Antoniadis A. These diagnoses were made according to the clinical features of the illness and the reactivity of the serum samples to OX19 in Weil-Felix tests. The Weil-Felix test is useful for preliminary screening of rickettsiosis; the reaction could indicate epidemic typhus or spotted fever in some cases.
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