If you are heading to Guanacaste this month, pack insect repellent and treat mosquito bites as a real risk rather than a minor annoyance. The U.S. Embassy in San José has told American travelers to take active precautions against chikungunya after health officials confirmed the mosquito-borne virus is now spreading within the local mosquito population […] The post US Issues Chikungunya Alert for Costa Rica Travelers appeared first on The Tico Times | Costa Rica News | Travel | Real Estate.