TABLE 2.

Bactericidal responses induced by V. cholerae O139 diseasea

PatientBactericidal titer of:Fold increase
Acute-phase serumConvalescent-phase serum
1<202,560256
2<2064064
3<2064064
4<2032032
5<2016016
6<20808
72032016
8201608
9201608
1020<200.5
11401,28032
1240802
13806408
14801602
15801602
  • a The values show the bactericidal titers of acute- and convalescent-phase sera from V. cholerae O139-infected patients as determined by the modified microplate assay.