6Kelly D J, Fuerst P A, Ching W M, et al. Scrub ty-phus : the geographic distribution of phenotypic and gen- otypic variants of Orientia tsutsugamushi [ J ]. Chin In- fect Dis,2009,48 ( $3 ) : $203-$230.
7Song S W, Kim K T, Ku Y M, et al, Clinical role of interstitial pneumonia in patients with scrub typhus: A possible marker of disease severity [ J ]. J Korean Med Sci, 2004,19 (5) : 668 -673.
8Rajapakse S, Rodrigo C, Fernando S D. Drug treatment of scrub typhus[J]. Trop Doct,2011,41 ( 1 ) :1-4.
9Watt G, Kantipong P, Jongsakul K, et al. Doxyeyline and rifampiein for mild scrub-typhus infections in north- ern Thailand : a randomized trial [ J ]. Lancet,2000,356 (9235) : 1057-1061.
