Mosquitoes Are Spreading Dangerous Dengue In Us States. Here’s Where To Watch Out

The mosquito-borne dengue virus is spreading crossed nan U.S. this summer, arsenic nan insects flourish successful confederate and eastbound states.

The viral infection tin lead to vomiting, a rash, aches and pains and perchance decease if near untreated. One successful 20 group create terrible dengue.

Most cases successful nan U.S. are reported erstwhile group who were bitten return from overseas. But wellness officials successful Virginia and Florida person each reported 1 lawsuit contracted locally successful nan past week.

There are now 1,455 section and travel-related cases reported, according to national wellness data, including successful Texas, New York, California, Georgia and Arizona.

Both section cases and cases successful travelers have been rising since nan pandemic, Centers for Disease Control and Prevention information shows. A study published successful May recovered that nan number of dengue cases reported successful nan U.S. successful 2024 was 359 percent higher than nan yearly mean recorded betwixt 2010-2023.

Still, Virginia’s Health Department said that “potential consequence for acquiring dengue microorganism successful Virginia remains low.”

“There is nary grounds of continued transmission and nary further reports of locally acquired dengue cases astatine this time,” State Health Commissioner Dr. Cameron Webb said.

The unidentified Virginian who was nan state’s first locally-acquired dengue lawsuit was known to person been successful adjacent proximity to a personification who had contracted dengue while traveling.

How dengue spreads

Dengue is astir often dispersed to group from nan wound of an infected Aedes aegypti mosquito. These are nan aforesaid type of mosquitoes that dispersed Zika and chikungunya viruses.

In uncommon cases, nan microorganism tin beryllium passed done humor transfusions aliases organ transplants, too, nan CDC says, and location is immoderate grounds that dengue tin beryllium dispersed done intersexual contact.

For women who are pregnant, infections tin dispersed to their unborn fetuses, arsenic well. That tin lead to devastating outcomes.

“Dengue tin person harmful effects, including decease of nan fetus, debased commencement weight and premature birth,” nan CDC explains.

But location are only a fistful of deaths successful immoderate fixed twelvemonth successful nan U.S. Just six deaths from dengue were reported successful nan U.S. successful 2024, nan May study found.

How to dainty nan virus

Once bitten, it typically takes astir 2 days for symptoms to start, and they whitethorn past for betwixt 2 days to up to a week.

In that time, astir group will retrieve by themselves pinch rest, acetaminophen and fluids. There is nary circumstantial medicine to dainty dengue but terrible cases are treated successful hospitals with IV fluids.

There is besides a vaccine that’s only recommended for usage successful children aged 9-16 pinch laboratory confirmation of a erstwhile dengue infection. The vaccine is called Dengvaxia and includes 3 doses taken six months apart.

With insurance, nan vaccine comes astatine nary cost, but out-of-pocket prices are still nether $100, according to medicine pricing institution GoodRX.

Unfortunately, group tin beryllium infected much than once, according to Dr. Anna Durbin, head of nan Johns Hopkins Center for Immunization Research.

How to enactment safe

Why is nan U.S. seeing much cases? Spread of nan microorganism has been fueled by warming temperatures linked to ambiance change, experts say.

“Vector beingness and distribution mightiness beryllium further affected by increasing temperatures, which tin grow nan scope of mosquitoes that dispersed dengue, heighten vector endurance and alteration nan reproduction and biting rates,” nan 2024 study authors wrote.

People tin protect themselves from dengue for illustration they do from different mosquito-borne viruses.

That intends utilizing mosquito repellents and wearing agelong sleeves and pants that will protect your tegument from nan blood-suckers.