What’s it, what are signs
The Facilities for Illness Management and Prevention has issued a well being advisory warning of a rise in dengue virus infections this yr.
Dengue is a viral illness brought on by any of the 4 dengue viruses, and it’s unfold to individuals by means of mosquito bites. As much as 400 million individuals are contaminated annually.
From Jan. 1 to June 24 this yr, international locations within the Americas have reported greater than 9.7 million dengue circumstances, the CDC stated, twice as many because the 4.6 million circumstances reported in 2023.
With 1,489 circumstances reported, Puerto Rico has declared a well being emergency, and the CDC says a higher-than-expected variety of dengue circumstances have been recognized amongst U.S. vacationers this yr as of June 24, or 745 circumstances.
Globally, dengue circumstances are additionally rising, and the CDC recommends that well being care suppliers, public well being authorities and the general public have “elevated suspicion” of dengue amongst individuals with a fever who’ve been in areas of frequent or steady dengue transmission inside 14 days earlier than the sickness onset.
Moreover, the CDC says, dengue circumstances ought to be reported rapidly, and mosquito chew prevention measures ought to be promoted for individuals residing in or visiting areas with frequent or steady dengue transmission.
Here is what to learn about dengue.
What’s dengue?
Dengue is brought on by 4 distinct however intently associated dengue viruses: dengue virus 1, 2, 3 and 4. It’s unfold to individuals by means of the chew of an contaminated mosquito. Transmission is widespread in tropical and subtropical areas of the world.
As much as 400 million individuals are contaminated with a dengue virus yearly, the CDC says.
The place are circumstances of dengue?
Dengue is without doubt one of the most typical arboviral, or illness unfold by bugs, globally.
Native transmission of dengue within the U.S. has been restricted, with sporadic circumstances or small outbreaks in Florida, Hawaii and Texas, though transmission has additionally been reported in Arizona and California over the previous two years.
Six U.S. territories and freely related states are categorised as areas with frequent or steady dengue transmission, based on the CDC: Puerto Rico, American Samoa, the U.S. Virgin Islands, the Federated States of Micronesia, the Republic of Marshall Islands and the Republic of Palau.
What are the signs of dengue?
About 1 in 4 individuals contaminated with dengue will get sick, based on the CDC, and for individuals who do get sick, signs can vary from delicate to extreme.
Signs embody:
- Fever (the most typical symptom)
- Aches and pains (eye ache, usually behind the eyes; muscle, joint or bone ache)
- Nausea, vomiting
- Rash
- Any warning signal
Signs normally final two to seven days, and most of the people get well inside a couple of week.
Is dengue lethal?
Most people who find themselves contaminated with dengue haven’t any signs or expertise delicate illness, the CDC says, and a smaller variety of individuals could have extreme illness that requires rapid medical consideration.
Dengue can not often have severe results on the liver, coronary heart, central nervous system, kidneys, eyes, muscle tissues or bone marrow, and extreme dengue can result in dying.
Tips on how to deal with and stop dengue
There is no such thing as a particular drugs to deal with dengue, however the CDC recommends a dengue vaccine for U.S. territories and freely related states.
As a result of dengue is unfold by means of mosquito bites, you’ll be able to assist defend your self by:
- Utilizing insect repellent.
- Carrying loose-fitting, long-sleeved shirts and pants.
- Controlling mosquitoes in and round your house.
