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Because that disease is a death sentence.

Hadyn Parry Re engineering mosquitos to fight disease

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On a long journey, young Bobby takes out his box of crayons, chalks the marks of an infectious disease on his face

In a single year, there are 200 300 million cases of malaria and 50 100 million cases of dengue fever worldwide. So Why haven t we found a way to effectively kill mosquitos yet? Hadyn Parry presents a fascinating solution genetically engineering male mosquitos to make them sterile, and releasing the insects into the wild, to cut down on disease carrying species.

The most common response is disease specific. The American Cancer Society and the American Heart Association, as well as the disease based research institutes of the National Institutes of Health, are notable examples.

We do not turn to the private sector to control the spread of a disease like Ebola. Rather, we turn to institutions the Centers for Disease Control and Prevention (CDC) in the United States, the World Health Organization (WHO), and Médecins Sans Frontières, the remarkable group of doctors and nurses who risk their lives to save those of others in poor countries around the world.

The artificial heart machine, also known as a left ventricular assist device, or LVAD, has been used to keep patients alive until they receive a heart transplant. But there is a shortage of hearts for transplantation, and in the US, LVADs are now being implanted as a long term treatment for heart failure, just as a dialysis machine replaces a kidney.

But some of the ticks are closely related to known carriers, and thus are potential carriers themselves. This debilitating and difficult to diagnose illness could thus be introduced to Costa Rica inadvertently by something as simple as an asymptomatic eco tourist.

Media fed fears that the disease could spread to affluent countries led to extraordinary precautions. In the United States, President Barack Obama asked Congress for 6.2 billion, including 2.4 billion to reduce the risk of the disease becoming established in America and set up 50 US Ebola treatment centers.