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. 2019 Jan 21;32(Suppl 1):4.
doi: 10.11604/pamj.supp.2019.32.1.13335. eCollection 2019.

The risk factors of exposure to rubella among pregnant women in Zaria 2013

Aishatu Bintu Gubio  1 , Aisha Indo Mamman  2 , Muhammad Abdul  2 , Adebola Tolulope Olayinka  2
Affiliations

The risk factors of exposure to rubella among pregnant women in Zaria 2013

Aishatu Bintu Gubio et al. Pan Afr Med J. .

Abstract

Introduction: rubella virus usually causes a mild disease, but maternal infection early in pregnancy often leads to birth defects known as congenital rubella syndrome (CRS). Rubella remains poorly controlled in Africa despite being a vaccine preventable disease. The objective of this study was to determine the risk factor of expose of rubella and prevalence of rubella IgG antibodies among pregnant women in Zaria. The results of this study will provide data which may be used to advise the government of Kaduna State on the need to include rubella vaccine in the free routine immunization particularly for women of childbearing age.

Methods: a cross-sectional study was carried out. Pregnant women attending antenatal clinics from three different health facilities in Zaria. A questionnaire was administered, to determine the proportion of pregnant women vaccinated and the sera of these women were tested for rubella IgG antibody using commercially produced enzyme-linked immunosorbent assay (ELISA) Kit. Statistical variables were compared with univariate (frequencies) bivariate (chi- square), multivariate analyses (logistic regression). A p-value of < 0.05 was considered significantly associated at 95% confidence intervals.

Results: of the 246 pregnant women screened, 222 (90.2%) were positive for rubella IgG. Prevalence was highest 82/222 (36.9%) among age group 20-24 years. Those positive of those who had completed secondary school education were 104/222 (46.8%) A large number among those who tested positive with 197/222 (88.7%) were married. The Hausa tribe 155/222 (69.9%) had the highest positivity for rubella IgG. Only 2 (0.9%) women claimed to have received rubella vaccine and 159/222 (71.6%) women were seropositive for IgG among the unemployed group.

Conclusion: the serological evidence of rubella virus is an indication that rubella is endemic in Nigeria. Nigeria should include rubella vaccination in the routine immunization exercise for women before they get pregnant to reduce the risk of CRS.

Keywords: IgG serology; Rubella; vaccine.

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Conflict of interest statement

The authors declare no competing interests.

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