Table 2

Gastric juice antitoxin and anti-whole cell titres after immunisation with cholera vaccine by different routes

IgA anti-CTB titresIgA anti-whole cell titres
ImmunisationH pylori statusDay 0Day 21Frequency of respondersDay 0Day 21Frequency of responders
Intestinal+0.17 (0.025–0.92)0.44 (0.061–4.2)4/81.2 (0.09–9.9)0.82 (0.12–10.0)2/8
Intragastric+0.14 (0.006–1.9)0.22 (0.027–1.6)4/80.95 (0.22–3.6)0.78 (0.20–2.5)3/8
Peroral0.15 (0.033–0.49)0.27 (0.12–10.3)2/512.0 (0.28–40.1)5.2 (0.075–149)2/5
Intragastric0.43 (0.18–0.75)0.22 (0.080–1.5)1/40.70 (0.56–1.0)1.8 (0.38–53.1)1/4
  • Data are presented as geometric mean (range) of the specific titre divided by the total concentration of IgA (μg/ml) in the respective samples.

  • CTB, cholera toxin B subunit.