TABLE 4.

Development of antibodies against diphtheria toxin among healthy carriers of C. diphtheriae as measured by NT and EIA

Healthy carrier no.Age (yr)Antibody titer (IU/ml) on:
AdmissionDays 5-10
NTEIANTEIA
1320.48≥5.2481.92≥5.24
2710.24≥5.2410.24≥5.24
375.124.06340.96≥5.24
575.122.6082.562.439
485.122.9645.123.694
685.121.29220.48≥5.24
78NDbND40.96≥5.24
81040.96≥5.2440.96≥5.24
91140.96≥5.2440.96≥5.24
101140.96≥5.2440.96≥5.24
111981.92≥5.2481.92≥5.24
122520.48≥5.2440.96≥5.24
133040.96≥5.2440.96≥5.24
143910.24≥5.2410.24≥5.24
15a2.560.4865.120.702
16a10.242.00510.241.955
    Median10.24≥5.2440.96≥5.24
  • a —, age not known.

  • b ND, not done.