The Facilities for Illness Management and Prevention issued a well being advisory Tuesday alerting authorities, well being care suppliers and the general public of the elevated threat of dengue fever infections in the US.The alert comes as an unexpectedly greater variety of dengue fever instances have been reported throughout the nation, based on the CDC.A complete of two,241 instances have been reported up to now this 12 months 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. Many of the instances reported in states are journey associated, based on the CDC.The facilities reported 3,036 dengue instances final 12 months within the U.S. and its territories.This 12 months, the incidence of dengue fever globally has been the very best on report, particularly in Latin American nations, the place greater than 9.7 million dengue instances have been reported. That is twice as many as in all of 2023 (4.6 million instances), based on the CDC.Dengue fever infections have skyrocketed as many countries have reported more and more scorching temperatures, which create preferrred situations for the mosquitoes that unfold dengue to hatch en masse and carry greater quantities of the virus.The most typical symptom amongst those that contract the mosquito-borne illness is fever. Different signs embody severe complications, nausea, vomiting, rash and physique ache.Signs could be delicate or extreme. Most dengue fever sufferers get well in every week, however in extreme instances the illness could be life-threatening and require hospitalization because it may end up in shock, inside bleeding and even loss of life. 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 kind of virus that may trigger the illness, based on the CDC.The newest CDC alert advises well being care suppliers to have elevated suspicion of dengue amongst folks with fever, particularly if they’ve not too long ago been in areas with frequent dengue transmission. They’re suggested to shortly report any dengue instances to public well being authorities and promote mosquito chunk prevention measures.The CDC mentioned it is also implementing different measures, corresponding to bettering and increasing laboratory testing to diagnose instances extra successfully, in addition to educating the general public on the illness and how you can forestall it.Some useful prevention strategies embody staying in locations with air con when doable, utilizing insect repellent and sporting lengthy sleeves and pants to keep away from mosquito bites.Nicole Acevedo is a reporter for NBC Information Digital. She experiences, writes and produces tales for NBC Latino and NBCNews.com.Erika Edwards, Kaitlin Sullivan and Jane Weaver contributed.