The total number of imported malaria cases was 167 in the whole county from 1997 to 2005.51.5%(86/167), 30.54%(51/167),6.59%(11/167)and 2.99%(5/167)of malaria case from Hainan province,Guizhou province,Guangdong province and Southeast Asian countries .

• 9年间发现输入性疟疾病例167例；其中海南回归占51.；50%25(86/167)；贵州回归占30