<p>Thirty-five health workers were interviewed, with a mean age 35.1 (SD±9.3) years. Usefulness score was 60.6% as many of the health workers use IDSR as guide to detect disease/ events/ condition of public important. Simplicity score was 55.7%, flexibility 47.2%, stability 37.8%, timeliness 100.0% and completeness 94.0%</p>