Florida health officials who have been testing thousands of residents for Zika virus said Wednesday they found another infection: dengue virus.

The health department said it confirmed a case of locally acquired dengue virus, the second this year in the state and the first in Miami.

Aedes aegypti mosquito
 
A female Aedes aegypti mosquito, known to be a carrier of the Zika virus and dengue. Andre Penner / AP