One hundred and sixty-three imported malaria cases were reported in Tai’an City of Shandong Province during 2011-2015, consisting of 120 cases of falciparum malaria(73.6%), 20 vivax malaria(12.3%), 14 ovale malaria(8.6%), 7 quartan malaria(4.3%), and 2 unclassified cases(1.2%). The disease onset showed no significant seasonal variation. The reported cases were more at the age of 40~49 years(70/163, 42.9%), and were imported mainly from Africa(156/163, 95.7%). The median interval from symptom onset to diagnosis was 4 days, and only 15 patients(9.2%) received definite diagnosis within 24 h. After medication, 161 cases recovered and 2 cases died.

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