TABLE 9.

C. pneumoniae IgM and IgG antibody titers by MIF assays for eight patients in whom microbiological findings supported a diagnosis of C. pneumoniae infection

PatientDayTitera
WRFMRLLAB
IgMIgGIgMIgGIgMIgG
1064128256N1,024256
21256128256N51264
20256128256N512N
26256128256N512N
5912864128N128N
30512N128N1,024N
195121281,024N2,048N
204N256N128256128
40512N512N2,048N
50NN
64N128N128NN
77N256N128NN
60646464642,048256
70256N4,096N4,096N
801,02464128N1,024N
2312812832NN256
  • a N, IgM titer of <16, IgG titer of <64; −, analyses not performed.