Public health officials in England are advising pregnant women to delay nonessential travel to Florida after the first known local transmission of the Zika virus was discovered in the U.S.
In its updated travel advice, Public Health England increased the risk designation for Florida from low to medium.
"The risk in Florida is considered moderate based on the number and spread of cases and their demonstrated ability to implement effective control measures for similar diseases such as dengue - a virus transmitted by the same mosquito," the health agency said in its public guidance. "Pregnant women should consider postponing nonessential travel to affected areas until after the pregnancy. At present, only a zone of about 1 square mile in Miami-Dade County is considered at risk of active transmission."
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England warns pregnant women against Florida travel