<p>From 2019 to 2023, West Arsi reported 87,923 confirmed malaria cases, resulting in 44 Deaths. The districts with the highest case counts included Wondo (145/1,000), Siraro (106/100,000), and Negelle Arsi Town (83/1,000). the data indicates over half of malaria cases (51%) are in males, with 46% affecting those over fifteen years old. The cumulative incidence trend in this zone increased from 1.5 per 1,000 population in 2019 to 17.4 per 1,000 population in 2022.</p>