Table 1.

Response to inoculation of H. ducreyia

SubjectObservation period (days)IsolateNo. of initial papulesFinal outcome
No. of papulesNo. of pustulesNo. resolved
15814
35000211
FX51722
15914
3500011
FX51733
1606
3500022
FX51722
1557
3500022
FX51711
1659
3500022
FX51711
16612
3500022
FX51733
  • a Each volunteer was inoculated at two sites with parent strain 35000 and at three sites with mutant strain FX517. Volunteers 158, 159, and 160 were inoculated in the first iteration, and volunteers 155, 165, and 166 were inoculated in the second iteration.