Volume 19, Number 2—February 2013
Synopsis
Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
Table 3
Results from the vaccine effectiveness study in 8 districts, Malawi, 2010*
| Vaccination status | Total | No. cases | Attack rate, %† | Vaccine effectiveness |
|
|---|---|---|---|---|---|
| Crude, % (95% CI) | Adjusted, % (95% CI)‡ | ||||
| Unvaccinated |
793 |
91 |
13.3 |
Referent |
Referent |
| Vaccinated with MCV | |||||
| 1 dose§ | 2512 | 62 | 2.4 | 82.0 (72.9–88.1) | 83.9 (70.8–90.8) |
| 2 doses¶ | 1777 | 22 | 1.1 | 91.6 (84.7–95.4) | 90.5 (79.7–95.5) |
*Districts are Blantyre, Mzimba, Lilongwe, Thyolo, Chiradzulu, Mangochi, Balaka, and Machinga. MCV, measles-containing vaccine.
†Weighted and adjusted by the study design.
‡Adjusted by age, sex, and literacy of the caregiver.
§Routine immunization.
¶Routine immunization and 2008 supplementary immunization activities.


