Twenty-one people have contracted a virus known as "sloth fever."

US Health officials are warning Travelers about sloth fever linked to oropo virus infections the virus spread through mij and mosquito bites has infected 21 us residents returning from Cuba with over 8,000 cases reported in South America and the Caribbean symptoms include fever chills and headaches appearing 3 to 10 days after infection there's no vaccine or treatment and it may cause severe birth defects pregnant women are advised to avoid AFF regions cases have been confirmed in 20 Florida residents and one New York resident