Third Zika case found in Tennessee, but officials see no threat to general public

FILE - In this Feb. 11, 2016 file photo of aedes aegypti mosquitoes are seen in a mosquito cage at a laboratory in Cucuta, Colombia. Congress is ready to act on President Barack Obamas long-stalled request for emergency funds to combat the Zika virus, which has been linked to serious birth defects and other major health problems. Obama requested $1.9 billion three months ago for several purposes, including creating a vaccine for the disease, taking steps to control the mosquitoes that spread Zika and helping other countries battle the virus. (AP Photo/Ricardo Mazalan, File)

A third case of the mosquito-borne Zika virus has been found in Tennessee, state health officials said Thursday, but they say there is currently no serious threat to the general public from the virus.

In a phone conference Thursday from Nashville, State Department of Health Commissioner Dr. John Dreyzehner said all three people infected with the disease appear to have contracted it while vacationing in a country where the virus is widespread. He said there are no indications that mosquitoes in the state are carrying the virus.

The latest case was discovered in Rutherford County. The two earlier cases were in East Tennessee and in Shelby County, according to health officials.

About 80 percent of the time, people infected with the virus are not even aware of it, according to state epidemiologist Dr.