Where did the dengue viruses first come from? Scientists hypothesize that the dengue viruses evolved in nonhuman primates and jumped from these primates to humans in Africa or Southeast Asia between 500 and 1,000 years ago. The distribution of dengue serotypes in 1970 (a) and 2004 (b).
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Answer:
Africa or Southeast Asia
Explanation:
Where did the dengue viruses first come from? Scientists hypothesize that the dengue viruses evolved in nonhuman primates and jumped from these primates to humans in Africa or Southeast Asia between 500 and 1,000 years ago. The distribution of dengue serotypes in 1970 (a) and 2004 (b).