10 疟原虫与疟疾 PPT课件.ppt

文档介绍：Plasmodium and malaria
疟原虫与疟疾
?
Plasmodium and malaria
what?
 introduction
 morphology and life cycle
 pathogenesis and clinical symptom
 immunity and epidemiology
why?
 diagnosis
 treatment and prevention
How?
 advanced research
New?
Tropical South America
Mexico and
Central America
Asia
Africa
Malaria exists in 100 countries but is mainly confined to poorer tropical areas of Africa, Asia and Latin America.
世界上约1/2人口受到威胁,每年死于疟疾的人数达150-270万,其中非洲儿童100万。平均每30秒杀死一个5岁以下的儿童的疟疾,WHO已经把遏止疟疾列为21世纪前10年的首要医学问题。
Epidemics occur in areas that used to be free or low in malaria incidence
Kenya
100 km
= Highlands
Elevation 1,500m or higher
Cool
Unstable transmission
1991
1994
1997
民谣:“要下芒市坝,先把老婆嫁;
要往耿马走,棺材买到手;
十人到勐腊,九人难回家”。
introduction