MIAMI-DADE COUNTY, Fla. (WFLA) – The Florida Department of Health in Miami-Dade County is under a mosquito-born illness alert after two new cases of West Nile virus have been confirmed.

Two additional human cases of the virus infection of local transmission were confirmed in residents.

There has been a total of 26 West Nile virus infections in 2020.

According to DOH-Miami-Dade, about 1 in 5 people infected with West Nile virus develop a fever and other symptoms including headache, pain and fatigue.

Less than 1 percent of infected people develop a serious, sometimes fatal illness associated with West Nile virus.

Symptoms typically appear between 2 and 14 days after the bite of an infected mosquito.

DOH-Miami-Dade continues to advise the public to remember to “drain and cover.”

Florida residents should drain standing water to stop mosquitoes from multiplying, cover skin with clothing or repellent and cover doors and windows to keep mosquitoes out of the home.

For more information on mosquito-born illnesses, Florida residents can visit the DOH’s website.