1763
Malaria had diminished significantly by the early 1940s , and this paper queries whether that reduction was due to the control projects of the thirties , and , if so , whether such projects should be a model for the current developing world , where malaria is a growing problem today .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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