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 danger of dengue fever infections in america.The alert comes as an unexpectedly larger 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 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. Many of the instances reported in states are journey associated, based on the CDC.The facilities reported 3,036 dengue instances final yr within the U.S. and its territories.This yr, the incidence of dengue fever globally has been the best on report, particularly in Latin American international locations, 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 sizzling temperatures, which create excellent situations for the mosquitoes that unfold dengue to hatch en masse and carry larger quantities of the virus.The most typical symptom amongst those that contract the mosquito-borne illness is fever. Different signs embrace severe complications, nausea, vomiting, rash and physique ache.Signs could be gentle or extreme. Most dengue fever sufferers get well in per week, however in extreme instances the illness could be life-threatening and require hospitalization because it can lead to shock, inside bleeding and even demise. Those that have had dengue up 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, based on the CDC.The most recent CDC alert advises well being care suppliers to have elevated suspicion of dengue amongst individuals with fever, particularly if they’ve just lately been in areas with frequent dengue transmission. They’re suggested to rapidly report any dengue instances to public well being authorities and promote mosquito chew prevention measures.The CDC mentioned it is also implementing different measures, reminiscent of enhancing and increasing laboratory testing to diagnose instances extra successfully, in addition to educating the general public on the illness and how you can stop it.Some useful prevention strategies embrace staying in locations with air con when attainable, utilizing insect repellent and carrying lengthy sleeves and pants to keep away from mosquito bites.Nicole AcevedoNicole Acevedo is a reporter for NBC Information Digital. She reviews, writes and produces tales for NBC Latino and NBCNews.com.Erika Edwards, Kaitlin Sullivan and Jane Weaver contributed.