What to Know About Dengue, the Lethal Illness Displaying Up in Arizona

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An Arizona resident not too long ago contracted the mosquito-borne illness often called dengue, and the dengue virus has been detected in mosquitoes within the space. Dengue, usually related to tropical nations, could also be spreading in Arizona for the primary time.

It’s not the primary time dengue has proven up in the USA, however we don’t normally get native transmission of the illness within the 48 contiguous states. Florida has had no less than three native circumstances of dengue this 12 months, and has had a number of native outbreaks lately, with the most important being 66 circumstances in 2010. (Earlier than 2009, there had been no circumstances since 1934, Outbreak Information Immediately reviews.) Dengue is frequent in a number of U.S. territories, together with Puerto Rico, American Samoa, and the U.S. Virgin Islands.

So how massive a deal is dengue, and what ought to you already know about it? Let’s take a look at the information.

How dangerous is dengue?

About 75% of people who find themselves contaminated with dengue received’t have noticeable signs. Statistically, 25% will get sick, 5% will get extreme dengue, and 0.01% die from it.

It’s value noting that you simply’re extra more likely to get extreme dengue when you have had dengue earlier than. There are 4 forms of the dengue virus, so in concept you may get it 4 occasions in your life. However if you happen to’ve had one kind, after which contract one other, that second an infection carries the next danger than the primary of progressing to extreme dengue.

Signs of an abnormal dengue an infection could embody nausea, vomiting, a rash, or muscle or joint ache. There could also be a sensation of ache behind the eyes. The sickness usually lasts between two and 7 days. Throughout this time, the CDC says, it’s best to relaxation and you might take acetaminophen (Tylenol), however not aspirin or ibuprofen.

Signs of extreme dengue can embody stomach ache or tenderness, bleeding from the nostril or gums, blood within the vomit or stool, vomiting greater than 3 times in 24 hours, or feeling unusually drained or irritable. When you’ve got these indicators, search medical care straight away.

How does dengue unfold?

Dengue is brought on by a virus, and that virus is transmitted by mosquitoes. Not all mosquitoes can transmit it, although. It requires Aedes aegypti or Aedes albopictus mosquitoes. These mosquitoes chew throughout the day in addition to at night time, and so they can breed in small containers of standing water. Each species are extra frequent within the southern U.S. than in northern areas.

(The little brown mosquitoes that reside in additional northern areas and chew extra usually at night time are Culex mosquitoes, which don’t transmit dengue. They will transmit West Nile virus, although.)

For a mosquito to offer you dengue, it must chew somebody with dengue, after which later chew you. If this occurs in a given space, it’s thought-about native transmission of dengue. Individuals can contract dengue whereas touring after which carry it house, which accounts for many circumstances of dengue within the continental U.S.

The right way to keep away from getting dengue

The primary technique to shield your self from dengue is by defending your self from mosquito bites, and you can too assist to guard your group by ensuring the mosquitoes don’t have locations to breed.

Mosquitoes will lay their eggs in stagnant water. This may embody gadgets like rubbish cans and tires that fill with rain water, sources of water like canine bowls and birdbaths, and puddles that type on the bottom or in tarps. Drain this stuff commonly if you happen to can’t forestall them from filling up within the first place. (For instance, in case your canine has an outside water dish, make sure that to empty it twice every week.)

To guard your self from bites, the CDC recommends utilizing an efficient insect repellent (resembling one containing DEET), carrying long-sleeved shirts and lengthy pants the place doable, and utilizing window screens to maintain mosquitoes out of the house.

There’s a vaccine towards dengue that’s at the moment accepted for youngsters aged 9 to 16 who reside in areas the place dengue is frequent. It isn’t accepted for people who find themselves simply touring to these locations.

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