Dengue Fever An infection and Dying in Florida

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Newest Infectious Illness Information

By Denise Mann HealthDay Reporter

The demise of a Miami girl in her 30s from regionally acquired dengue fever highlights the necessity for consciousness of a doubtlessly deadly mosquito-borne virus that is now present in the USA.

As soon as solely seen in scorching and steamy tropical or subtropical locales, dengue has been on the rise in elements of the southern United States as a result of international warming, journey and different components. Whereas most People nonetheless contract the illness whereas touring to elements of the world the place dengue is endemic, there have additionally been circumstances of regionally acquired dengue in the USA, together with a 2019 outbreak in Miami.

This may happen when an area mosquito feeds on an individual who’s contaminated with dengue after which move the illness on to others.

Unfold by a chunk from an contaminated Aedes mosquito, dengue may cause a excessive fever, rash and muscle or joint ache. In extreme circumstances, dengue may cause doubtlessly deadly bleeding and shock. Every year, as much as 400 million folks will develop into contaminated with dengue and about 22,000 will die from this illness, in accordance with the U.S. Facilities for Illness Management and Prevention.

In 2019, Florida noticed 413 of us identified with dengue, most of whom had not too long ago traveled to Cuba. This outbreak sired 18 regionally acquired circumstances, together with one which resulted within the younger Miami girl’s demise. To find out the supply of the an infection, medical doctors reviewed the lady’s journey historical past and carried out genetic sequencing of the virus, which confirmed that it was regionally acquired.

Her story is the idea of a letter within the June 10 situation of the New England Journal of Drugs. It ought to function a cautionary story, mentioned co-author Dr. Stephen Morris, an infectious illness specialist at Jackson Memorial Hospital in Miami.

“Florida is a type of a quasi-endemic space for dengue now,” he mentioned. “We should always anticipate this as a threat transferring ahead, and medical doctors within the southern U.S. ought to know that dengue is on the desk as a doable prognosis.”

There is no such thing as a extensively out there vaccine to stop dengue, Morris mentioned. To stave off an infection, “use a superb bug spray, cowl your pores and skin and keep away from areas with a number of standing water,” he mentioned. Mosquitoes like to put eggs close to standing water in buckets, bowls, flower pots and vases.

Screens on doorways and home windows also can preserve mosquitoes out, Morris mentioned.

Delayed prognosis

There is no such thing as a speedy check for dengue both so it could actually take a number of days to make a prognosis, defined examine co-author Tyler Sharp, an epidemiologist on the CDC’s dengue department in San Juan, Puerto Rico.

A delay in prognosis performed a job within the Miami girl’s demise. “When you assume it may very well be dengue, deal with it as if they’ve it, and if it is unfavourable, there isn’t any draw back,” Sharp mentioned.

Remedy includes hydration and shut monitoring of important indicators. “Inform your physician you probably have been to an space the place dengue is endemic or if somebody has not too long ago been identified with dengue because it is probably not entrance of thoughts to many medical doctors,” he mentioned.

Controlling mosquitoes on the group stage has been more difficult, mentioned Sharp.

“We have to elevate consciousness and develop, consider and finally implement instruments to combat dengue in South Florida and elsewhere,” he mentioned.

There are methods of decreasing the mosquito inhabitants which can be at present being explored. For instance, as a part of a controversial examine, Florida launched genetically modified male mosquitoes that move on a gene that kills feminine offspring earlier than they mature. Solely feminine Aedes aegypti mosquitoes can chunk and unfold dengue.

Except and till the mosquito inhabitants is decreased, “it is extremely necessary to pay attention to dengue in Florida, Texas and Hawaii as we all know that mosquito vector is there,” mentioned Yesim Tozan, an assistant professor of world well being on the NYU College of World Public Well being in New York Metropolis.

Luckily, most native outbreaks in the USA have been restricted as mosquitoes cannot fly too far, she mentioned.

“We should be vigilant about fever and sickness significantly after we know mosquitoes are lively,” Tozan mentioned. Mosquito season spans from spring to fall.

“Local weather change is making us see extreme climate like surprising rain and fluctuating temperatures and mosquitoes are very delicate to this, so abruptly we now have breeding exercise after we usually wouldn’t,” defined Tozan, who was not concerned within the new report.

“Be an informed traveler,” she mentioned. “In case you are getting back from areas the place dengue and different mosquito-borne illnesses are prevalent, share your journey historical past along with your physician.”

Extra data

The U.S. Facilities for Illness Management and Prevention gives extra on dengue prevention.

SOURCES: Stephen Morris, MD, infectious illness specialist, Jackson Memorial Hospital, Miami; Tyler Sharp, PhD, epidemiologist, CDC Dengue Department, San Juan, Puerto Rico; Yesim Tozan, PhD, assistant professor, international well being, NYU College of World Public, New York Metropolis; New England Journal of Drugs, June 10, 2021

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