Winged Death in Tanzania

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31 Dec 2011 10:00

Anopheles mosquito is the only one capable of harboring the human malaria parasite, and only females have an interest in the blood to nourish their eggs, the male takes nectar from flowers. Their legs are long and slender, wings mottled and the nose of a peak mosquito seems solid, but is a pod full of blades and a feeding tube. Pierces the skin with them, down to the micro-capillary network where it begins to drink blood.

The malaria Plasmodium parasite is tiny, similar in shape to a worm, it is enough to kill a person. To prevent blood clotting, mosquitoes use their saliva when the parasite enters the bloodstream. Within minutes he has traveled through the circulatory system to the liver.

In recent years the parasite has developed resistance to many drugs and the more potent strains can scarcely be controlled. Half the world population is threatened by her, and it endemic in some 106 countries and territories. The big problem is that all these countries are mostly poor, over 80% of cases occur in sub-Saharan Africa. The World Health Organization (WHO) has included among its Millennium Development Goals of reducing the incidence of malaria and its eradication in the future. The Bill and Melinda Gates Foundation invested hundreds of millions dollars in research and international donors increased its bud- getary allocation but the current crisis is doing great harm in the malaria ́s fight, and this is always quantified in human lives.

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