Answer :
Final answer:
Dengue fever is caused by a virus transmitted by mosquitoes, primarily in tropical regions, and can lead to severe complications.
Explanation:
The causative agent of dengue fever is a virus known as dengue 1-4, which belongs to the Flavivirus species.
Dengue fever is transmitted to humans by A. aegypti or A. albopictus mosquitoes, primarily in tropical regions.
It is essential to note that dengue fever can lead to severe complications like dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS), increasing the risk of death.
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