Additional area of active Zika transmission identified in Miami Beach
Miami-Dade County residents and visitors advised to take steps to reduce risk of Zika transmission
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For Immediate Release: Friday, August 19, 2016
Contact: Media Relations
The Centers for Disease Control and Prevention (CDC) has been working with Florida health officials on investigating cases of locally transmitted Zika virus. An additional area of active Zika transmission has been identified in a section of Miami Beach, in addition to the area of active Zika transmission near Wynwood. The Florida Department of Health has also identified at least four other instances of apparently mosquito-borne Zika in Miami-Dade County, and has reported an increase in travel-related cases.
Based on this new information, CDC and Florida health officials are now recommending the following:
- Pregnant women should avoid travel to the designated area of Miami Beach, in addition to the designated area of Wynwood, both located in Miami-Dade County, because active local transmission of Zika has been confirmed.
- Pregnant women and their partners living in or who must travel to the designated areas should be aware of active Zika virus transmission and follow steps to prevent mosquito bites.
- Women and men who live in or who have traveled to the designated area of Miami Beach since July 14, 2016 should be aware of active Zika virus transmission; pregnant women should see their doctor or other healthcare provider about getting tested for Zika; and people who have a pregnant sex partner should consistently and correctly use condoms to prevent infection during sex or avoid having sex for the duration of the pregnancy.
- Pregnant women and their sexual partners who are concerned about potential Zika virus exposure may also consider postponing nonessential travel to all parts of Miami-Dade County.
- All pregnant women in the United States should be evaluated for possible Zika virus exposure during each prenatal care visit. Each evaluation should include an assessment of signs and symptoms of Zika virus disease (acute onset of fever, rash, arthralgia, conjunctivitis); their travel history; as well as their sexual partner’s potential exposure to Zika virus and history of any illness consistent with Zika virus disease to determine whether Zika virus testing is indicated.
- Women with Zika should wait at least 8 weeks after symptoms start before trying to get pregnant.
- Men with Zika should wait at least 6 months after symptoms start before couples try to get pregnant.
- Women and men without confirmed Zika who traveled to this area should wait at least 8 weeks before trying to get pregnant.
- Women and men who live in or frequently travel to this area and who do not have signs or symptoms of Zika should talk to their healthcare provider to inform their decisions about timing of pregnancy.
“We’re in the midst of mosquito season and expect more Zika infections in the days and months to come,” said CDC Director Tom Frieden, M.D., M.P.H. “It’s difficult but important that pregnant women make every effort to avoid mosquito bites and avoid going to areas where Zika is spreading. Florida and Miami-Dade County are taking appropriate steps to control mosquitoes and protect pregnant women. It is difficult to predict how long active transmission will continue. CDC disease control experts are doing everything they can to support state and local control programs to stop the spread of Zika. Every community in the United States that has the Aedes Aegypti mosquito present must monitor for infections and work to control the mosquitoes.”
Detecting local spread of Zika is difficult for several reasons:
- The incubation period for Zika infection is up to two weeks,
- A high proportion of infected people have no symptoms, and
- Diagnosis and investigation of cases takes several weeks.
For this reason, it is possible that other neighborhoods in Miami-Dade County have active Zika transmission that is not yet apparent.
CDC advises those living in or traveling to Miami-Dade County to enhance their efforts to prevent mosquito bites. Pregnant women and their sexual partners who are concerned about potential Zika virus exposure may also consider postponing nonessential travel to all parts of Miami-Dade County.
CDC has been working with state, local, and territorial health officials to prepare for the possibility of locally transmitted Zika virus in the United States. Officials from Florida participated in all these activities, and their experience in responding to mosquito-borne diseases similar to Zika has been an important source of knowledge in this effort. To date, CDC has provided Florida more than $8 million in Zika-specific funding and about $27 million in emergency preparedness funding that can be used toward Zika response efforts.
It is understandable that women will be especially concerned, and there are things that everyone can do based on what is currently known. While there are still many unanswered questions about Zika, CDC is working hard to find out more about these infections. Here is what is known:
- Zika is spread to people primarily through the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus).
- A pregnant woman can pass Zika virus to her fetus during pregnancy or around the time of birth.
- Zika virus infection is associated with birth defects and adverse pregnancy outcomes, especially microcephaly.
- A person who is infected with Zika virus can pass it to sex partners.
- Most people infected with Zika virus won’t have symptoms or will only have mild symptoms.
- No vaccines or treatments are currently available to treat or prevent Zika infections.
As of August 17, 2016, 2,260 cases of Zika had been reported in the continental United States and Hawaii, including 529 in pregnant women. These cases also include 22 believed to be the result of sexual transmission and one that was the result of a laboratory exposure.
For more information about Zika: http://www.cdc.gov/zika/
- Page last reviewed: August 19, 2016 (archived document)
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