<p><strong>Result: </strong>The overall attack rate and case fatality rate of pertussis were95 and 4 cases per 1000 population respectively. Being female(AOR=2.66, 95% CI: 1.16-6.07),family size<span style="text-decoration: underline;">&gt;</span>5(AOR= 2.72, 95% CI: 1.09–6.78),&nbsp; un-vaccination(AOR=4.91, 95% CI:2.09-11.53), contact history with cases(AOR = 6.22,95%CI: 2.57–15.06), not knowing mode of transmission(AOR=3.99, 95%CI:1.75-9.08),&nbsp; and living in a house with poor ventilation(AOR=3.39, 95% CI:1.42 - 8.08) were the identified risk factors for pertussis infection.</p><p><br><br></p>