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Implication of vaccination on measles reduction and elimination in Nigeria

Identifieur interne : 001B98 ( Pmc/Corpus ); précédent : 001B97; suivant : 001B99

Implication of vaccination on measles reduction and elimination in Nigeria

Auteurs : A. B. Onoja ; K. M. Hamid ; J. A. Adeniji ; M. D. Mukhtar

Source :

RBID : PMC:4682907

Abstract

Background

The availability of a safe and effective vaccine has encouraged the establishment of measles mortality reduction and elimination goals in six World Health Organization regions. In the WHO-AFRO region, they intend to eliminate measles by 2020. This initiative led to the successful elimination of measles in 2012 in the American region. This study mined data from independent investigations in two geographical regions in Nigeria in order to observe the prospects of preventive measures against wild measles virus in a resource limited setting.

Materials and methods

Retrospective data from 757 children between the ages of 10 months and 13years were used. 500 were from children in Kano, Northwest Nigeria and 257 from children in Ibadan, Southwest Nigeria. Data analysis was done using SPSS 16.0.

Results

In all, 386 (75.4%) of the vaccinated children were protected while 121 (23.6%) were not protected. In the unvaccinated children, 63 (25.7%) were protected while 135 (55.1%) were not protected (X2=120.919, p=0.000). In Kano, 81 % of the vaccinated children were protected while 18.4% were not protected. In Ibadan, 95% of the vaccinated were protected (X2=22.129, p = 0.000).

Conclusion

The herd immunity in both Kano and Ibadan is good enough to reduce wild measles virus infection. This finding is encouraging because Kano has suffered several epidemics prior to the vaccination campaigns resulting from religious apathy which is the bane of vaccination efforts. Here is evidence that with the right approach in Northern Nigeria, it is possible to sustain national and global immunization drive.


Url:
PubMed: 26688602
PubMed Central: 4682907

Links to Exploration step

PMC:4682907

Le document en format XML

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<nlm:aff id="A1">Department of Virology, College of Medicine, University of Ibadan</nlm:aff>
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<name sortKey="Hamid, K M" sort="Hamid, K M" uniqKey="Hamid K" first="K. M." last="Hamid">K. M. Hamid</name>
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<nlm:aff id="A2">School of Medical Laboratory Science, Usmanu Danfodiyo University Sokoto</nlm:aff>
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<name sortKey="Adeniji, J A" sort="Adeniji, J A" uniqKey="Adeniji J" first="J. A." last="Adeniji">J. A. Adeniji</name>
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<nlm:aff id="A1">Department of Virology, College of Medicine, University of Ibadan</nlm:aff>
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<affiliation>
<nlm:aff id="A4">World Health Organization Polio Reference Laboratory Ibadan, Nigeria</nlm:aff>
</affiliation>
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<name sortKey="Mukhtar, M D" sort="Mukhtar, M D" uniqKey="Mukhtar M" first="M. D." last="Mukhtar">M. D. Mukhtar</name>
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<sec id="S1">
<title>Background</title>
<p id="P1">The availability of a safe and effective vaccine has encouraged the establishment of measles mortality reduction and elimination goals in six World Health Organization regions. In the WHO-AFRO region, they intend to eliminate measles by 2020. This initiative led to the successful elimination of measles in 2012 in the American region. This study mined data from independent investigations in two geographical regions in Nigeria in order to observe the prospects of preventive measures against wild measles virus in a resource limited setting.</p>
</sec>
<sec id="S2">
<title>Materials and methods</title>
<p id="P2">Retrospective data from 757 children between the ages of 10 months and 13years were used. 500 were from children in Kano, Northwest Nigeria and 257 from children in Ibadan, Southwest Nigeria. Data analysis was done using SPSS 16.0.</p>
</sec>
<sec id="S3">
<title>Results</title>
<p id="P3">In all, 386 (75.4%) of the vaccinated children were protected while 121 (23.6%) were not protected. In the unvaccinated children, 63 (25.7%) were protected while 135 (55.1%) were not protected (X
<sup>2</sup>
=120.919, p=0.000). In Kano, 81 % of the vaccinated children were protected while 18.4% were not protected. In Ibadan, 95% of the vaccinated were protected (X
<sup>2</sup>
=22.129, p = 0.000).</p>
</sec>
<sec id="S4">
<title>Conclusion</title>
<p id="P4">The herd immunity in both Kano and Ibadan is good enough to reduce wild measles virus infection. This finding is encouraging because Kano has suffered several epidemics prior to the vaccination campaigns resulting from religious apathy which is the bane of vaccination efforts. Here is evidence that with the right approach in Northern Nigeria, it is possible to sustain national and global immunization drive.</p>
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<name>
<surname>Hamid</surname>
<given-names>K.M.</given-names>
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Department of Virology, College of Medicine, University of Ibadan</aff>
<aff id="A2">
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School of Medical Laboratory Science, Usmanu Danfodiyo University Sokoto</aff>
<aff id="A3">
<label>3</label>
Department of Biological Sciences, Bayero University Kano</aff>
<aff id="A4">
<label>4</label>
World Health Organization Polio Reference Laboratory Ibadan, Nigeria</aff>
<author-notes>
<corresp id="cor1">
<bold>Corresponding author:</bold>
Dr. A.B. Onoja, Department of Virology, College of Medicine, University of Ibadan. +2348034676227,
<email>bernardonoja@yahoo.com</email>
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</author-notes>
<pub-date pub-type="nihms-submitted">
<day>21</day>
<month>1</month>
<year>2015</year>
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<pub-date pub-type="ppub">
<month>9</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="pmc-release">
<day>17</day>
<month>12</month>
<year>2015</year>
</pub-date>
<volume>43</volume>
<issue>Suppl 1</issue>
<fpage>73</fpage>
<lpage>78</lpage>
<abstract>
<sec id="S1">
<title>Background</title>
<p id="P1">The availability of a safe and effective vaccine has encouraged the establishment of measles mortality reduction and elimination goals in six World Health Organization regions. In the WHO-AFRO region, they intend to eliminate measles by 2020. This initiative led to the successful elimination of measles in 2012 in the American region. This study mined data from independent investigations in two geographical regions in Nigeria in order to observe the prospects of preventive measures against wild measles virus in a resource limited setting.</p>
</sec>
<sec id="S2">
<title>Materials and methods</title>
<p id="P2">Retrospective data from 757 children between the ages of 10 months and 13years were used. 500 were from children in Kano, Northwest Nigeria and 257 from children in Ibadan, Southwest Nigeria. Data analysis was done using SPSS 16.0.</p>
</sec>
<sec id="S3">
<title>Results</title>
<p id="P3">In all, 386 (75.4%) of the vaccinated children were protected while 121 (23.6%) were not protected. In the unvaccinated children, 63 (25.7%) were protected while 135 (55.1%) were not protected (X
<sup>2</sup>
=120.919, p=0.000). In Kano, 81 % of the vaccinated children were protected while 18.4% were not protected. In Ibadan, 95% of the vaccinated were protected (X
<sup>2</sup>
=22.129, p = 0.000).</p>
</sec>
<sec id="S4">
<title>Conclusion</title>
<p id="P4">The herd immunity in both Kano and Ibadan is good enough to reduce wild measles virus infection. This finding is encouraging because Kano has suffered several epidemics prior to the vaccination campaigns resulting from religious apathy which is the bane of vaccination efforts. Here is evidence that with the right approach in Northern Nigeria, it is possible to sustain national and global immunization drive.</p>
</sec>
</abstract>
<kwd-group>
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