May 25, 2007 Malaria is a public health problem in more than 90 countries and it is by far the world's most important tropical parasitic disease. It kills more people than HIV or any other communicable disease except tuberculosis. It infects 400 million people every year and kills one person every 30 seconds, with the vast majority under five years old. Now, just over 100 years since Britain's Sir Ronald Ross was awarded the Nobel Prize for finally proving that malaria is transmitted by mosquitoes, researchers at the University of Nottingham believe they have made a significant breakthrough in the search for an effective vaccine.
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