By Denise Mann
HealthDay Reporter

THURSDAY, June ten, 2021 (HealthDay News) — The loss of life of a Miami woman in her 30s from domestically acquired dengue fever highlights the will need for awareness of a possibly fatal mosquito-borne virus that’s now identified in the United States.

Once only seen in very hot and steamy tropical or subtropical locales, dengue has been on the rise in elements of the southern United States owing to world warming, journey and other elements. Even though most Americans still deal the sickness although traveling to elements of the planet the place dengue is endemic, there have also been circumstances of domestically acquired dengue in the United States, which include a 2019 outbreak in Miami.

This can manifest when a regional mosquito feeds on a individual who is contaminated with dengue and then pass the sickness on to other folks.

Unfold by a chunk from an contaminated Aedes mosquito, dengue can trigger a substantial fever, rash and muscle or joint suffering. In critical circumstances, dengue can trigger possibly fatal bleeding and shock. Just about every yr, up to four hundred million men and women will come to be contaminated with dengue and about 22,000 will die from this sickness, according to the U.S. Centers for Ailment Management and Avoidance.


In 2019, Florida observed 413 people identified with dengue, most of whom experienced not too long ago traveled to Cuba. This outbreak sired 18 domestically acquired circumstances, which include one that resulted in the younger Miami woman’s loss of life. To identify the supply of the an infection, physicians reviewed the woman’s journey record and performed genetic sequencing of the virus, which verified that it was domestically acquired.

Her story is the foundation of a letter in the June ten difficulty of the New England Journal of Drugs. It should provide as a cautionary tale, said co-creator Dr. Stephen Morris, an infectious sickness professional at Jackson Memorial Healthcare facility in Miami.

“Florida is a kind of a quasi-endemic place for dengue now,” he said. “We should hope this as a chance moving ahead, and physicians in the southern U.S. should know that dengue is on the table as a attainable diagnosis.”


There is no commonly offered vaccine to avert dengue, Morris said. To stave off an infection, “use a excellent bug spray, deal with your pores and skin and steer clear of locations with a great deal of standing water,” he said. Mosquitoes like to lay eggs around standing water in buckets, bowls, flower pots and vases.


Screens on doors and windows can also continue to keep mosquitoes out, Morris said.

Delayed diagnosis

There is no quick exam for dengue either so it can just take quite a few days to make a diagnosis, described review co-creator Tyler Sharp, an epidemiologist at the CDC’s dengue branch in San Juan, Puerto Rico.

A hold off in diagnosis played a purpose in the Miami woman’s loss of life. “If you feel it could be dengue, take care of it as if they have it, and if it can be unfavorable, there is no draw back,” Sharp said.

Therapy involves hydration and close checking of vital indications. “Inform your physician if you have been to an place the place dengue is endemic or if someone you know has not too long ago been identified with dengue as it might not be entrance of mind to a lot of physicians,” he said.

Managing mosquitoes at the group level has been much more hard, said Sharp.

“We will need to raise awareness and build, examine and in the long run employ equipment to struggle dengue in South Florida and elsewhere,” he said.


There are techniques of decreasing the mosquito population that are now becoming explored. For example, as section of a controversial review, Florida unveiled genetically modified male mosquitoes that pass on a gene that kills feminine offspring ahead of they mature. Only feminine Aedes aegypti mosquitoes can chunk and distribute dengue.

Except if and till the mosquito population is decreased, “it is extremely essential to be aware of dengue in Florida, Texas and Hawaii as we know that mosquito vector is there,” said Yesim Tozan, an assistant professor of world health and fitness at the NYU University of Worldwide Community Wellness in New York Town.

The good news is, most regional outbreaks in the United States have been minimal as mosquitoes won’t be able to fly also much, she said.

“We will need to be vigilant about fever and disease specially when we know mosquitoes are active,” Tozan said. Mosquito time spans from spring to fall.


“Weather improve is making us see critical weather conditions like surprising rain and fluctuating temperatures and mosquitoes are extremely sensitive to this, so all of a unexpected we have breeding activity when we usually would not,” described Tozan, who was not concerned in the new report.


“Be an educated traveler,” she said. “If you are coming back from locations the place dengue and other mosquito-borne diseases are commonplace, share your journey record with your physician.”

Extra details

The U.S. Centers for Ailment Management and Avoidance presents much more on dengue avoidance.

Sources: Stephen Morris, MD, infectious sickness professional, Jackson Memorial Healthcare facility, Miami Tyler Sharp, PhD, epidemiologist, CDC Dengue Department, San Juan, Puerto Rico Yesim Tozan, PhD, assistant professor, world health and fitness, NYU University of Worldwide Community, New York Town New England Journal of Drugs, June ten, 2021