Abstract
Background: Childhood immunization contributes significantly in the reduction of cases of vaccine preventable diseases in children. DHIS2 data showed that only 60.59% of children under one were fully immunized in 2020. This implies that 39.41% did not receive all recommended vaccinations therefore at risk of contracting vaccine preventable diseases. This study therefore examined the effect of full immunization coverage on incidence of vaccine preventable diseases.Methods: Full childhood immunization coverage and incidence of vaccine preventable disease was examined using simple linear regression model at 5% level of significance and 95% confidence interval. Measles new case for children under five was the dependent variable while children under one fully immunized was the independent variable. Data was retrieved from DHIS2 for the period 2017-2020.Results: The study showed a negative relationship between full immunization coverage and incidence of under-five measles new cases. The study found that any unit increase in full immunization coverage would lead to decrease in measles cases by 6%.Conclusions: Full immunization coverage is still low (below WHO target of 80%) despite effort by government and partners. This implies that a lot of children are at risk of contracting vaccine preventable diseases. In order to avert this risk, health authorities and partners should devise appropriate means of educating the populace on the importance of childhood immunization.
Highlights
Immunization is highly effective in preventing vaccine preventable diseases such as polio, measles, diphtheria, tetanus, and pertussis which are responsible for a significant number of child mortality
This study aims to show the relationship between full childhood immunization coverage and incidence in cases of vaccine preventable diseases and mortalities from such diseases
Secondary data sourced from the Nigeria Health Management Information System (NHMIS) database-the District Health Information System (DHIS2) was used for the study
Summary
Immunization is highly effective in preventing vaccine preventable diseases such as polio, measles, diphtheria, tetanus, and pertussis which are responsible for a significant number of child mortality. In order to avert this ugly trend, the National Programme on Immunization (NPI) was established with the aim that every child should have access to routine immunization thereby eradicating vaccine preventable diseases in the country Development partners through their numerous interventions in child immunization (measles and polio campaigns, and other immunization outreaches) have increased access to routine immunization. Conclusions: Full immunization coverage is still low (below WHO target of 80%) despite effort by government and partners This implies that a lot of children are at risk of contracting vaccine preventable diseases. In order to avert this risk, health authorities and partners should devise appropriate means of educating the populace on the importance of childhood immunization
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