U.S. adds four a lot of countries to Zika travel alert list

The U.S. Centers for illness management and interference on Monday additional four a lot of countries and territories to a growing list of places wherever travelers risk being infected with Zika, a chop-chop spreading mosquito-borne virus.

The agency additional American Samoa, Costa Rica, Curacao, and Republic of Nicaragua to an inventory of twenty eight different regions, on the day the globe Health Organization declared the virus - connected to thousands of suspected cases of birth defects in Brazil - a global public health emergency.

The agency issued its initial travel alert last month and has since been change the list that cautions individuals, significantly pregnant girls, from traveling to those areas.

The Zika virus is transmitted by the {aedes aegypti|yellow-fever dipteron|Aedes aegypti|mosquito} mosquito, that is additionally famed to hold the dengue fever, yellow jack and Chikungunya viruses. there's no immunogen or treatment for the virus, which generally causes gentle fevers and rashes. associate degree calculable eighty % of these infected suffer no symptoms some.

Brazil has reportable nearly four,000 suspected cases of abnormalcy, within which infants square measure born with smaller-than-usual brains.