Malaria outbreak investigation in Tanquae Abergelle district, Tigray region of Ethiopia: a case–control study

OBJECTIVE: We investigated this outbreak to describe the magnitude and associated risk factors due to the malaria outbreak in Tanquae Abergelle district, Tigray, Ethiopia, in 2017. RESULT: Case fatality rate of this study was zero. Among the 62 cases and 124 controls, the presence of mosquito breeding sites [OR = 6.56 CI (2.09-20.58) P value = 0.001], sleeping outside a home [OR = 5.06 CI (1.75-14.61) P-value = 0.003] and having unscreened window [OR = 14.89 CI (1.87-118.25) P-value = 0.011] were associated with illness in multivariate analysis.