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Communicable Diseases

Communicable Diseases

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Changing geographical range of malaria shown on a map.
Figure 5.1  Changing geographical range of malaria. In 1946, the high risk range was all three coloured areas; by 1966, it was down to the yellow and brown areas; and by 1994 it was only the brown areas. (Source: The Open University, 2003, Infectious Disease, Book 5: Evolving Infections, Figure 3.1)

 5.1  The burden of malaria