Malaria( 瘧疾 )

Group 8Pinky Yu, Venky Chow, Jasmine Chong, Shadow Cheung

Causes and Spread Protozoan( 原生動物的 ) parasites of the genus Plasmo

dium( 瘧原蟲 )

Spread by some kinds of mosquito

Also infect birds, reptiles, monkeys, chimpanzees etc.

Most serious place : AfricaA Plasmodium sporozoite

Symptoms Fever Shivering ( 發抖 ) arthralgia ( 關節痛 ) vomiting ( 嘔吐 ) anemia ( 貧血 ) hemoglobinuria ( 血紅素尿 ) retinal damage ( 視網膜受損 ) convulsions ( 抽筋 )

Treatment Antimalarial drugs( 抗瘧藥 )

Chloroquine Cheap and effective

But resistance of Malaria to it spread recently

Ineffective against the most dangerous Plasmodium strain in many affected regions

Prevention Vector( 帶菌者 ) control

The use of the pesticide DDT Prophylactic( 預防 ) drugs

e.g. Quinine Indoor residual spraying

Spraying insecticides on the interior walls of homes in malaria affected areas

Mosquito nets and bedclothes Keep mosquitoes away from people