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INTEGRATING ITNs IN A VACCINATION CAMPAIGN, MADAGASCAR

Monday, 6th of February 2012 Print
Are any readers aware of combined measles/LLIN campaigns done since the year 2010?

• IMPROVED EQUITY IN MEASLES VACCINATION FROM INTEGRATING INSECTICIDE-TREATED BEDNETS IN A VACCINATION CAMPAIGN, MADAGASCAR

James L. Goodson1, Manisha A. Kulkarni2, Jodi L. Vanden Eng1, Kathleen A. Wannemuehler1, Annett H. Cotte1, Rachelle E. Desrochers2, Bakolalao Randriamanalina3 and Elizabeth T. Luman1 1 Centers for Disease Control and Prevention, Atlanta, GA, USA 2 HealthBridge ⁄ University of Ottawa, Ottawa, Canada 3 Expanded Programme on Immunization, Ministry of Health, Madagascar

Abstract below; full text to subscribers. See also free full text of a previous article on this subject at http://www.ajtmh.org/content/82/3/420.long

Objective To evaluate the effect of integrating ITN distribution on measles vaccination campaign coverage in Madagascar. Methods Nationwide cross-sectional survey to estimate measles vaccination coverage, nationally, and in districts with and without ITN integration. To evaluate the effect of ITN integration, propensity score matching was used to create comparable samples in ITN and non-ITN districts. Relative risks (RR) and 95% confidence intervals (CI) were estimated via log-binomial models. Equity ratios, defined as the coverage ratio between the lowest and highest household wealth quintile (Q), were used to assess equity in measles vaccination coverage. results National measles vaccination coverage during the campaign was 66.9% (95% CI 63.0–70.7). Among the propensity score subset, vaccination campaign coverage was higher in ITN districts (70.8%) than non-ITN districts (59.1%) (RR = 1.3, 95% CI 1.1–1.6). Among children in the poorest wealth quintile, vaccination coverage was higher in ITN than in non-ITN districts (Q1; RR = 2.4, 95% CI 1.2–4.8) and equity for measles vaccination was greater in ITN districts (equity ratio = 1.0, 95% CI 0.8–1.3) than in non-ITN districts (equity ratio = 0.4, 95% CI 0.2–0.8).

Conclusion: Integration of ITN distribution with a vaccination campaign might improve measles vaccination coverage among the poor, thus providing protection for the most vulnerable and difficult to reach children.

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