TABLE 1.

Sensitivities of IgM detection by serology and LCN-PCR with respect to the time interval between serum sampling and onset of symptoms

Result% Sensitivitya for time interval (wk) of:
1234567891011
Titer of IgM, ≥ 1:507 (3/43)26 (6/23)50 (4/8)100 (6/6)100 (5/5)100 (3/3)100 (3/3)100 (2/2)100 (3/3)100 (2/2)100 (2/2)
Positive LCN-PCR19 (8/43)35 (8/23)0 (0/8)0 (0/6)20 (1/5)0 (0/3)0 (0/3)0 (0/2)33 (1/3)0 (0/2)0 (0/2)
  • a Numbers of positive sera/total number of tested sera are indicated in parentheses.