Download Symptoms of Dengue Fever

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DENGUE FEVER
DEFINITION
Dengue fever is a mosquito-borne disease that occurs in
tropical and subtropical areas of the world.
A severe form of dengue fever, also called dengue
hemorrhagic fever, can cause severe bleeding, a sudden
drop in blood pressure (shock) and death.
Dengue fever is most common in Southeast Asia and the
western Pacific islands, but the disease has been increasing
rapidly in Latin America and the Caribbean.
DISTRIBUTING
Most of these are in tropical areas of the world,
with the greatest risk occurring in:
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The Indian subcontinent
Southeast Asia
Southern China
Taiwan
The Pacific IslandsThe Caribbean (except Cuba and the
Cayman Islands)
Mexico
Africa
RISK FACTOR
Factors that put you at greater risk of
developing dengue fever or a more severe form of
the disease include:
 Living or traveling in tropical areas. Being
in tropical and subtropical areas increases your
risk of exposure to the virus that causes dengue
fever. Especially high-risk areas are Southeast
Asia, the western Pacific islands, Latin America
and the Caribbean.
 Prior infection with a dengue fever virus.
Previous infection with a dengue fever virus
increases your risk of having severe symptoms if
you're infected again.
SYMPTOMS OF DENGUE FEVER
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Symptoms, which usually begin four to six
days after infection and last for up to 10 days,
may include
Sudden, high fever
Severe headaches
Pain behind the eyes
Muscle pain
Nausea
Vomiting
Mild bleeding (such a nose bleed, bleeding gums,
or easy bruising)
CAUSES
Dengue fever is caused by any one of four dengue
viruses spread by mosquitoes that thrive in and
near human lodgings. When a mosquito bites a
person infected with a dengue virus, the virus
enters the mosquito. When the infected mosquito
then bites another person, the virus enters that
person's bloodstream.
 After you've recovered from dengue fever, you
have immunity to the virus that infected you —
but not to the other three dengue fever viruses.
The risk of developing severe dengue fever, also
known as dengue hemorrhagic fever, actually
increases if you're infected a second, third or
fourth time.
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DIAGNOSING DENGUE FEVER
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Doctors can diagnose dengue infection with a
blood test to check for the virus or antibodies to
it. If you become sick after traveling to a tropical
area, let your doctor know. This will allow your
doctor to evaluate the possibility that your
symptoms were caused by a dengue infection.
TREATMENT
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There is no specific medicine to treat dengue
infection. If you think you may have dengue
fever, you should use pain relievers with
acetaminophen and avoid medicines with aspirin,
which could worsen bleeding. You should also
rest, drink plenty of fluids, and see your doctor. If
you start to feel worse in the first 24 hours after
your fever goes down, you should get to a hospital
immediately to be checked for complications.
PREVENTING DENGUE FEVER
There is no vaccine to prevent dengue fever. The best
way to prevent the disease is to prevent bites by infected
mosquitoes, particularly if you are living in or traveling to
a tropical area. This involves protecting yourself and
making efforts to keep the mosquito population down.
To protect yourself:
 Stay away from heavily populated residential areas, if
possible.
 Use mosquito repellents, even indoors.
 When outdoors, wear long-sleeved shirts and long pants
tucked into socks.
 When indoors, use air conditioning if available.
 Make sure window and door screens are secure and free of
holes. If sleeping areas are not screened or air conditioned,
use mosquito nets.
 If you have symptoms of dengue, speak to your doctor.
NEXT
To reduce the mosquito population, get rid of
places where mosquitoes can breed. These
include old tires, cans, or flower pots that collect
rain. Regularly change the water in outdoor bird
baths and pets' water dishes.
 If someone in your home gets dengue fever, be
especially vigilant about efforts to protect
yourself and other family members from
mosquitoes. Mosquitoes that bite the infected
family member could spread the infection to
others in your home.
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UPDATING JOURNAL
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ABSTRACT
Dengue fever, an emerging infectious disease, is increasing in
prevalence in many geographic regions, including the
Caribbean. It is the most common arboviral (vector-borne)
disease in the world, and infects more that 50 million people
annually worldwide. The etiological agent of dengue fever is
one of four serotypes of the dengue virus (DENV1–DENV4).
The infection is transmitted via a human-mosquito-human
route, when one or more species of the Aedes mosquito takes a
blood meal from an infected host and then feeds on a person
who is uninfected. There is no vaccine or cure for dengue fever.
Dengue fever is a growing cause for concern in The Bahamas.
This year the incidence of dengue fever reached epidemic
proportions in The Bahamas. This article will explore the
etiology and epidemiology of dengue fever, and offer some
insight into how The Bahamas can in the future begin to
develop strategies for the eradication of dengue fever.
INTRODRUCTION
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Emerging infectious diseases are new diseases that have not been
known to cause infections in humans before, as well as diseases that
have been present in the human population for a long period of time,
but were previously limited to a few endemic regions. However, due to
factors such as the ones that will be discussed in this article,
emerging infectious diseases are dramatically increasing in incidence
globally (Tortora, Funke, & Case, 2010). These types of diseases are
of great concern from a public health perspective because there are
often few cures available to prevent or treat them. In addition, the
spread of such diseases to new geographic regions where they are not
endemic often places a strain on the public health sector whenever
there is a new disease outbreak. Healthcare facilities may have
limited resources available to treat outbreaks of emerging infectious
diseases. They often become overwhelmed in an effort to treat large
numbers of new cases in patients who have very little natural
immunity to these infections. Last year in Haiti Vibrio cholera caused
over 100,000 cases of cholera, including more than 3,000 fatalities.
Prior to the 2010 epidemic, cholera had not been observed in this small
island nation in over a century (Gorry, 2011).
THIS YEAR, THE BAHAMAS IS EXPERIENCING A
DENGUE FEVER OUTBREAK OF EPIC
PROPORTIONS.
MOVING TOWARD A DENGUE
FEVER ERADICATION STRATEGY
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The Bahamas is now facing a turning point in
relation to the relevance of dengue fever as a
public health crisis and potential detriment to
the economic viability of the country. It is time
for the public health sector, as well as The
College of The Bahamas to begin to take
measures to develop a comprehensive dengue
fever eradication policy in The Bahamas.
Although reduction of the Aedes vector population
by using insecticides may seem like the obvious
route to pursue, it may also prove to be the most
difficult goal to accomplish.
http://www.webmd.com/a-to-z-guides/denguefever-reference?page=2
 http://www.webmd.com/a-to-z-guides/denguefever-reference
 http://www.mayoclinic.org/diseasesconditions/dengue-fever/basics/definition/con20032868
 http://www.mayoclinic.org/diseasesconditions/dengue-fever/basics/causes/con20032868
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