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Friday, January 6, 2012

Malaria

Malaria is infectious disease transmitted by mosquitoes, and it is one of the commonest causes of sickness and death in the world. If an infected mosquito bites a person, minute parasites (protozoon) are injected into his bloodstream, where they multiply rapidly. As the parasites multiply, they destroy the red cells of the blood, and the victim suffers an attack are headache and anaemia.
If the disease is untreated, most patients will recover after a dozen attacks. But if there are complications, malaria may lead to death from the loss of blood cells and exhaustion from repeated infection.
There are many drugs for treating malaria, all of which are very effective. Quinine used to be the standard cure but now synthetic drugs, such as primaquine and choloroquin are used.
Malaria can be prevented. Firstly, if every case could be treated, mosquitoes could not be infected, and their bites would be harmless. Secondly, mosquitoes may be killed by insecticides.. Thirdly, a person who is exposed to the infection may protect himself by taking small doses of an anti-malaria drugs regularly.

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