<p>We used the CDC’s Updated Guidelines for Evaluating Public Health Surveillance Systems in evaluating the Ogun State COVID-19 surveillance system. We analyzed data for the period of April 2020-May 2021 from the Epidemiology Unit of the Ministry of Health. We assessed the attributes of the system and positive predictive value through key informant interview and COVID-19 surveillance data. we used the evaluation method and scoring system to rate performance for each quantitative indicator as follows: &lt;60% (poor performance); 60–79% (moderate performance); ≥80% (good performance).</p>