U.S. health officials on Friday issued a travel warning for 14 countries and territories in the Caribbean and Latin America where infection with Zika, a mosquito-borne virus, is a risk.
The travel alert applies to Brazil, Colombia, El Salvador, French Guiana, Guatemala, Haiti, Honduras, Martinique, Mexico, Panama, Paraguay, Suriname, Venezuela, and Puerto Rico.
The U.S. Centers for Disease Control and Prevention (CDC) in particular cautioned pregnant women and women who try to become pregnant not to travel to those areas as Zika has been linked to a serious birth defects.
Zika virus is transmitted by Aedes species mosquitoes, which also spread dengue and chikungunya viruses and are common in Texas, Florida and elsewhere in the United States.
Zika is a mild illness with fever, rash and joint pain while CDC claims that there is no preventive vaccine or treatment to the infection.