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. 2011 Mar 25;3(1):68–73. doi: 10.1159/000326941

Table 1.

Serum IgM and IgG antibody titers of the rickettsiae and O. tsutsugamushi measured by the indirect immunofluorescence technique

Species June 22, 2009 June 29, 2009 July 6, 2009 July 30, 2009 August 27, 2009
R. tamurae
 IgG <20 <20 20 160 10,240
 IgM 20 20 40 160 2,560

R. japonica
 IgG <20 <20 <20 160 5,120
 IgM 20 20 40 160 640

O. tsutsugamushi
 IgG <20 <20 <20 <20 <20
 IgM <20 <20 <20 <20 <20

R. typhi
 IgG <20 <20 <20 <20 <20
 IgM <20 <20 <20 <20 <20