Fig. 2
From: Effectiveness of joint 3 + 1 malaria strategy along China–Myanmar cross border areas
The trend of annual parasite incidence in + 1 area of Myanmar, and the annual importation rate and cases composition in Yingjiang Country of China from 2015 to 2019. a The composition of imported cases in the three preventive lines from 2015 to 2019. b The trend of API in + 1 area of Myanmar and AIR in the three preventive lines and Yingjiang County from 2015 to 2019. Note (1) API annual parasite incidence; (2) AIR annual importation rate