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Monday, April 8, 2013

Mosquitoes Through History

No man or beast has caused more tender-hearted deaths than the dread mosquito. Scientists estimate that malaria alone has killed about one half of on the whole the world who have ever lived on Earth. With the maladys these vectors transmit including dengue, phrenitis and yellow fever, the mosquito is responsible for millions of deaths every year. It is no surprise that the innovation Health Organization declared these pests as public health enemy number one. Because of the lethal potential the mosquito possesses, its influence in the course of history cannot be ignored. From the duration of the early civilizations to the time of the two world wars, and until now when medical technology is astir(p) in leaps and bounds, the mosquito remains a formidable enemy, becoming tear down deadlier in time.

However, its integration in our history is not throttle to its effects to human society; human history itself is at the root of mosquitos lethality. Scientists theorize that prior to the development of human villages, mosquitoes were much less of a threat to humans than in later periods. Aside from the relatively small number that move with humans before contact with more concent dictated settlements, the disease parasites they carried were less potent, and early humans had greater resistance to these parasites.

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However, at around the same time humans adopted a more settled way of life, conditions were ripe for a mosquito state boom. In time, the diseases they carried evolved, at a more rapid rate than our resistance to them. Because mosquitoes were biologically more resilient than humans, and because their great verse favored natural selection, the mosquitoes have eluded our attempts to lessen their population or develop a definitive cure for their diseases. As humans improved insecticides, mosquitoes enhanced their resistance; as new medications for diseases were developed, the viruses mutated...

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