There are now 16 counties where yellow fever mosquito has been detected.

A genetically modified mosquito could help lower the population of the dangerous Aedes aegypti, but not everyone is in favor of the technology.

Three years after a Zika outbreak, mothers of afflicted babies are struggling.

Researchers said insects are moving into new parts of the U.S. and putting more at risk.

Health officials believe the infection occurred after a couple traveled to Cuba.

The first sexually transmitted case of Zika for this year has been confirmed in Florida, state officials said.

Officials said the infected person's partner recently traveled to Cuba.

Since 2015, 1,654 babies have been born in the U.S. to women who contracted Zika, according to the Centers for Disease Control and Prevention.

Hunters under investigation for taking two bear cubs; Woman recovering after a tree fell on her car.

With summer approaching, officials are hoping to avoid another outbreak.

Zika is known to lead to birth defects, including microcephaly.

Birth defects included eye abnormalities and brain malformations.

Two pregnant women were found to test positive for suspected Zika after retest.

The woman gave birth to seemingly healthy baby later that year.

Five cases of locally transmitted Zika have been reported in Brownsville, Texas

The Zika virus has been found to cause microcephaly and other birth defects.

In the study, babies of women who had the virus in the first trimester had an 11 percent chance of having birth defects.

Last area cleared of ongoing Zika transmission.

Gov. Rick Scott said the area is no longer an active infection zone.

Five NYC infants have been reported to have Zika-related birth defects this year.

Five NYC infants have been born with Zika-related birth defects this year.

Small area of Miami Beach, Florida, is still dealing with ongoing outbreak.

Texas reported its first case today of a person likely being infected locally with the Zika virus through a mosquito.

It's the second state to report an outbreak of locally transmitted Zika virus.

WHO stressed the Zika virus remains a serious threat.

GMO mosquitoes may be able to be used to help stop the Zika virus.

Bats may soon be used by the city as officials scramble to combat Zika.

A new zone with Zika transmission was identified in Miami last week.

This is the third area to have local Zika transmission in Florida.

Zika virus continues to spread through much of the Americas.

Neighborhood where local Zika outbreak started has been cleared.

The zone was expanded to a northern portion of Miami Beach.

Lesions have been found in patients with the disease.

Six new cases reported today in outbreak of locally-transmitted Zika virus.

New form of Zika transmission may be possible.

Aerial insecticide spraying is currently underway to combat Zika's spread.

The aerial spraying was protested this week.

The pesticide naled is used in aerial spraying to combat the local outbreak.

Rep. David Jolly wants Congress to pass Zika funding.

Congress is hung up on a dispute over Planned Parenthood.

Zika is still a Public Health Emergency of International Concern, the WHO said.

Florida Gov. Rick Scott is urging the public to steer clear of standing water hours after Hurricane Hermine made landfall in the Sunshine State.

Zika outbreak has infected at least 47 in southern Florida.

Baby girl has calcification in brain and eye damage from virus.

Researchers are learning how Zika affects fetal brain development.

Outbreak has infected at least 36 people in south Florida.

The virus could "hang around" the U.S. for another year or two.

Outbreak started last month.

The mosquito-borne virus has been found in more than 20 countries.

What you need to know about the mosquito-borne virus.