Malaria

It kills millions. Fortunately, there is a simple way to prevent many cases - kill the mosquitoes that carry the disease with an easily produced pesticide - DDT.

Unfortunately, DDT was banned in the 1970's because of overblown fears that it would kill off bald eagles, etc. The World Health Organization advocated the use of DDT to control malaria in 2006, after studies showed it to be the most effective defense.

Now, the UN is getting into the act.
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Should DDT Be Used to Combat Malaria?

DDT should be used "with caution" in combating malaria, a panel of scientists reported today

By Marla Cone and Environmental Health News  | May 4, 2009 

A panel of scientists recommended today that the spraying of DDT in malaria-plagued Africa and Asia should be greatly reduced because people are exposed in their homes to high levels that may cause serious health effects.

The scientists from the United States and South Africa said the insecticide, banned decades ago in most of the world, should only be used as a last resort in combating malaria.

The stance of the panel, led by a University of California epidemiologist, is likely to be controversial with public health officials. Use of DDT to fight malaria has been increasing since it was endorsed in 2006 by the World Health Organization and the President's Malaria Initiative, a U.S. aid program launched by former President Bush.

In many African countries, as well as India and North Korea, the pesticide is sprayed inside homes and buildings to kill mosquitoes that carry malaria.

Malaria is one of the world's most deadly diseases, each year killing about 880,000 people, mostly children in sub-Saharan Africa, according to the World Health Organization.
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Again with the "may cause health effects". We should let millions die because tens or even hundreds might get sick.

There is a malaria vaccine that shows some progress - funded by Bill Gates' foundation. DDT, however, is fast and sure, and if properly used, safe.