Assessment of Pertussis Vaccine Protective Effectiveness in Children in the Amhara Regional State, Ethiopia

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Category</td><td class="align_center">Total participants, <i>N</i> (%)</td><td class="align_center">Positives, <i>N</i> (%)</td><td class="align_center">Negatives, <i>N</i> (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Vaccinated (cases)</td><td class="align_center">112 (33.4)</td><td class="align_center">35 (29.4)</td><td class="align_center">77 (35.6)</td></tr><tr><td class="align_left">Unvaccinated (controls)</td><td class="align_center">223 (66.6)</td><td class="align_center">84 (70.6)</td><td class="align_center">139 (64.4)</td></tr><tr><td class="align_left">Total</td><td class="align_center">335 (100.0)</td><td class="align_center">119 (100.0)</td><td class="align_center">216 (100.0)</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>N</i> = number.<br/></div></td></tr></table>

<div>Frequency and percentage of pertussis in vaccinated and unvaccinated control groups, Amhara Regional State, Ethiopia, 2019.</div>

International Journal of Microbiology

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Table 2

Table 2: Assessment of Pertussis Vaccine Protective Effectiveness in Children in the Amhara Regional State, Ethiopia 