Polio immunity and the impact of mass immunization campaigns in the Democratic Republic of the Congo.

ABSTRACT:

Background

In order to prevent outbreaks from wild and vaccine-derived poliovirus, maintenance of population immunity in non-endemic countries is critical.

Methods

We estimated population seroprevalence using dried blood spots collected from 4893 children 6-59months olds in the 2013-2014 Demographic and Health Survey in the Democratic Republic of the Congo (DRC).

Results

Population immunity was 81%, 90%, and 70% for poliovirus types 1, 2, and 3, respectively. Among 6-59-month-old children, 78% reported at least one dose of polio in routine immunization, while only 15% had three doses documented on vaccination cards. All children in the study had been eligible for at least two trivalent oral polio vaccine campaigns at the time of enrollment; additional immunization cam

SUBMITTER: Voorman A 

PROVIDER: S-EPMC5628608 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature