The number of people infected with the Zika virus continues to rise — and expectant moms especially. Health officials are scrambling to contain the mosquito population.

The overall number of infections involving pregnant women reached 89 as of Wednesday, according to the Sunshine State’s Department of Health website. Two of the 10 new cases involve pregnant women who are believed to have brought the virus into the state from elsewhere.

Wednesday’s report brought the overall number of Zika cases in Florida to 867.

One new non-travel-related case was associated with the Miami Beach investigation.

“There are nine new travel-related cases today with two in Broward [County], two in Miami-Dade, two in Orange, one in Brevard, and two involving pregnant women,” health officials stated.

Zika virus testing has been done on more than 7,853 people statewide and Gov. Rick Scott ordered all county health departments to offer free Zika risk assessment and testing to pregnant women.

As of Wednesday, Florida is reporting 678 travel-related infections. Wednesday’s report brought the overall number of Zika cases in Florida to 867.

A fourth round of aerial spraying for mosquitoes carrying the Zika virus will take place Saturday in Miami Beach, the Miami Herald reported. It’s the only area currently being watched at this time for active local transmission. Planes will target an area of South Beach with naled, a controversial insecticide that is a known neurotoxin and can cause health problems for people who are exposed to large doses over time.

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County officials started the spraying in early September, based on recommendations from the Centers for Disease Prevention and Control. Protests have been ongoing over use of the insecticide — but officials maintain the amount of naled being used does not pose a risk to people.