title: [Malaria epidemic trend and characteristics at monitoring sites in Yunnan province in 2008].
abstract: Malaria situation in 5 monitoring sites of Yunnan showed a decline trend from 2005 to 2008. The average malaria incidence in 2008 was 11.84/10,000 with a decrease of 66.1% in comparison to 2005. The seropositive rate with immuno-fluorescence assay (IFA) was 4.61% for pupils. 82% of the cases chose town or township hospitals as the first place of seeking diagnosis and treatment. 83.6% cases were diagnosed over 3 days of symptom appearing. The main clinical manifestation was fever every other day attack (occupied 72.7%). 98.4% of the cases were with light symptoms. The proportion of primary attacks and relapses among malaria patients were 95.3% and 4.7%, respectively. Plasmodium vivax was the main malaria parasite, occupying 81.2%. 97.2% of the local infected cases were found in the bordering areas of the country. The mosquito net utilization rate was 51.4%. Results showed that malaria has been effectively controlled in the monitoring sites of Yunnan.
authors.affiliation: Yunnan Institute of Parasitic Diseases, Simnao 665000, China.
authors.forename: Guo-wei
authors.initials: GW
authors.lastname: Chen
authors.forename: Chun
authors.initials: C
authors.lastname: Wei
authors.forename: Hua-xian
authors.initials: HX
authors.lastname: Li
authors.forename: Li-xiang
authors.initials: LX
authors.lastname: Yang
authors.forename: Qiang
authors.initials: Q
authors.lastname: Huang
authors.forename: Han-zhang
authors.initials: HZ
authors.lastname: Yan
authors.forename: Guang-qiang
authors.initials: GQ
authors.lastname: Tian
authors.forename: Zhi-Rong
authors.initials: ZR
authors.lastname: Bai
mesh_terms: D000818:Animals; D002681:China / Q000453:epidemiology; D009033:Culicidae / Q000502:physiology*; D005260:Female; D006801:Humans; D008288:Malaria / Q000453:epidemiology* / Q000517:prevention & control*; D008297:Male; D011159:Population Surveillance