Posted: June 26th, 2017

The number of cases of Dengue fever usually increases towards the end of the rainy season. This pattern of occurrence of Dengue fever is best described as;

The number of cases of Dengue fever usually increases towards the end of the rainy season. This pattern of occurrence of Dengue fever is best described as;

A. Epidemic occurrence
B. Cyclical variation
C. Sporadic occurrence
D. Secular occurrence

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