A 37-year-old man traveling through South America has a sudden onset of fever,severe headache,and chills.A macropapular rash develops on his trunk,which then spreads to his face and extremities.The vector transmitting this disease is most likely:

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Dengue virus is the most prevalent arbovirus in the world,with more than 100 million people infected annually.The virus is endemic in Latin America,Puerto Rico,and Mexico.The majority (>90%)of the cases reported in the United States are related to travel.Humans are the main reservoir for this virus,with person-to-person transmission occurring via a mosquito vector.

A 37-Year-Old Man Traveling Through South America Has a Sudden