Sporadic cases of Zika in Texas, USA

Four people in Cameron County have been diagnosed with Zika fever that was acquired from locally infected mosquitoes. Following the outbreak of this infection in the state of Florida, this is the second area in the USA to report local transmission of this virus.

Visit our Health Library for more information on exposure to and the prevention of Zika Fever.

Advice For Travellers

Although the number of infected people is small, their infections indicate that the virus is present in local mosquitoes. Although the risk of exposure for the general traveller is low, the risk of exposure for a traveller in any particular location is difficult to estimate since so many infected people have no symptoms and are not recorded officially. There may be many infected people in the community.

There is no vaccine or specific treatment for this infection. Travellers can minimize the risk of exposure by taking all necessary precautions to avoid mosquito bites.

There is strong scientific evidence that this virus is the cause of microcephaly (small brain) and other neurological abnormalities in newborn infants. The World Health Organization advises that pregnant women should not travel to areas with Zika virus outbreaks. Pregnant women whose sexual partners live in or travel to areas with Zika virus outbreaks should ensure safe sexual practices or abstain from sex for the duration of their pregnancy.

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