<p>&nbsp;In the Western Arsi zone, malaria is a priority health problem with a high frequency of epidemics and constitutes a major public health problem. The Wando District Public Health Emergency Management (PHEM) reported unusual malaria cases on July 13, 2023, and the trend exceeded the threshold limit. Therefore, this investigation aimed to confirm the occurrence of malaria outbreaks and contracting factors in the Wando district.&nbsp;</p>