Table 31-6.
Estimated Impact of Routine Immunization of Infants with Hib Conjugate Vaccine in Developing Countries
| Three-Dose Vaccine Regimen |
|||
|---|---|---|---|
| Outcome Measure | No Immunization | Without Herd Immunity | With Herd Immunity |
| No. of Hib deaths | |||
| Expected | 377,470 | 150,670 | 65,120 |
| Prevented | 226,800 | 312,350 | |
| Percent of deaths prevented | 60% | 83% | |
| No. of Hib cases | |||
| Expected | 2,915,000 | 957,800 | 423,750 |
| Prevented | 1,957,200 | 2,491,250 | |
| Percent of cases prevented | 67% | 85% | |
Adapted from Levine OS, Schwartz B, Pierce N, Kane M: Development, evaluation and implementation of Haemophilus influenzae type b vaccines for young children in developing countries: Current status and priority actions. Pediatr Infect Dis J 17(9 suppl):S95-S113, 1998. Used with permission of Lippincott Williams & Wilkins.
© 2008 Lippincott Williams & Wilkins