Table 2.

Comparison of ELISA titersaobtained with three antigens on sequential serum specimens from one patient

Day postonsetIgM titerIgG titer
NRASMBNRASMB
NY99Eg-101NY99Eg-101
3b <1:400 <1:400 <1:4001:1,600 1:3,200 1:3,200
151:6,400>1:12,800>1:12,8001:1,6001:1,6001:3,200
30<1:400<1:4001:1,6001:3,2001:3,2001:3,200
43c <1:400<1:400<1:4001:3,2001:3,2001:3,200
204<1:400<1:400<1:4001:8001:1,6001:1,600
344<1:400<1:400<1:4001:8001:1,6001:800
  • a Titers were calculated using an absolute P/N ratio cutoff of 3.0.

  • b Random sample 9 in Table 1.

  • c Random sample 7 in Table 1.