4 Florida counties declare health emergencies due to Zika virus

TAMPA, Fla. (AP) — At least nine cases of the Zika virus have turned up in Florida. All the cases are in four counties -- Miami-Dade, Lee, Hillsborough and Santa Rosa, where health emergencies have been declared.

It's believed that all of the cases are from people who contracted the disease while traveling to affected countries.

The areas will see more spraying.

Zika has been linked to birth defects.