ABSTRACT - Bill and Melinda Gates Foundation donates $200 million for research into critical questions about leading causes of death in developing countries and to create international competition to entice scientists to solve them; Bill Gates says aim is to save many of millions of lives lost annually to variety of diseases and to shatter scientific complacency about largely ignored diseases of third world and to make research on health problems affecting four billion people living in poor countries a priority (M) The Bill and Melinda Gates Foundation is giving $200 million to identify critical questions about the leading causes of death in developing countries and to create an international competition to entice scientists to solve them.

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