(Bloomberg) -- The first locally transmitted case of Zika virus in the continental U.S. was confirmed in Dallas on Tuesday.
However, the infection was passed through sexual contact rather than by a mosquito bite, said local health officials.
A patient became infected after having sexual contact with a sick person who had returned from an area with an outbreak of the virus, the Dallas County Health and Human Services department said in a statement.
Read: The Zika virus: 5 things to know
The U.S. Centers for Disease Control and Prevention confirmed the transmission, the department said.
Read: Zika virus declared world health emergency by WHO
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