Pregnant Women Should Avoid Zika Area in Florida as Infections Rise

Any pregnant women who traveled to this area on or after June 15 should speak to their doctors," Frieden said. "Pregnant women who live or work there should be tested during their first and second trimesters."

Pregnant women are also advised to use condoms for the duration of the pregnancy.

Two of the confirmed infections in Florida are women and 12 are men.

According to the DOH, active Zika transmissions are still limited to a small one square-mile area north of downtown Miami, the same area where the first 4 cases last Friday were identified. Among the 10 new individuals with locally acquired Zika infection, six didn't show any symptoms and were discovered by health workers going door-to-door to collect urine samples to test for the virus.

So far, the Florida Health Department has tested more than 200 individuals in Miami-Dade and Broward counties who live or work near the people that have been confirmed with likely mosquito-borne transmissions.