A dengue fever alert has been issued within the Florida Keys following two confirmed instances of the mosquito-borne sickness.The native warning comes per week after the Facilities for Illness Management and Prevention issued a nationwide advisory concerning the elevated threat of dengue virus infections in the US.Regardless that a lot of the dengue instances reported within the States this yr have been travel-related, the 2 instances that triggered the alert within the Florida Keys have been regionally acquired, in line with officers on the Florida Division of Well being in Monroe County.A complete of two,241 dengue instances have been reported thus far this yr within the U.S., together with 1,498 instances within the U.S. territory of Puerto Rico, the place a public well being emergency was declared in March after instances exceeded historic figures.The CDC reported 3,036 dengue instances final yr within the U.S. and its territories.The incidence of dengue fever internationally has been the very best on report, particularly in Latin American international locations, the place greater than 9.7 million dengue instances have been reported thus far in 2024. That’s twice as many as in all of 2023 (4.6 million instances), in line with the CDC.Dengue infections are on the rise as many countries have reported more and more sizzling temperatures, which create perfect circumstances for the mosquitoes that unfold dengue to hatch en masse and carry increased quantities of the virus.RecommendedAbout 1 in 4 individuals who get contaminated with the dengue virus will get sick, in line with the CDC. Amongst those that get sick, the signs might be gentle or extreme.The most typical symptom is fever together with joint, muscle, bone or eye ache, headache, nausea, vomiting or rash. Most dengue sufferers recuperate in per week, however about 1 in 20 instances will develop extreme dengue, which might be life-threatening and require hospitalization because it can lead to shock, inner bleeding and even dying.Those that have had dengue prior to now usually tend to develop extreme signs. An individual can get sick with dengue fever as much as 4 instances of their lifetime — as soon as for every sort of virus that may trigger the illness, in line with the CDC.Some prevention strategies embody staying in locations with air con when doable and putting in window screens to maintain mosquitoes out of the house. When outside, it is really helpful to make use of insect repellent or sporting lengthy sleeves and pants to keep away from mosquito bites, and likewise cleansing up any areas with stagnant water the place mosquitoes might breed equivalent to buckets and roof gutters.Nicole Acevedo is a reporter for NBC Information Digital. She studies, writes and produces tales for NBC Latino and NBCNews.com.