<p>A descriptive study was conducted between 24 January and 28 February 2023. A case was defined as any person with a cough lasting at least 2 weeks, presenting with either paroxysm or inspiratory whooping. We conducted a door-to-door active case search, reviewed medical records, assessed vaccination status, and completed case investigation forms. Samples were collected and serological laboratory testing was done. Descriptive analysis was done using MS Excel.</p>