In
1779-1780
, the first confirmed, reported outbreak of dengue fever occurred almost simultaneously in Asia, North America, and Africa. In 1789, the American physician Benjamin Rush published an account of a probable dengue fever epidemic that had occurred in Philadelphia in 1780.
When was the first case of dengue?
The first clinically recognized dengue epidemics occurred almost simultaneously in Asia, Africa, and North America in
the 1780s
.
What is the history of dengue fever?
Dengue originated in monkeys and spilled over into humans as long as 800 years ago
. It was restricted to Africa and Southeast Asia until the mid-20th century. The dengue viruses in viremic individuals and their Aedes aegypti mosquito vectors spread throughout tropical Southeast Asia via maritime shipments.
Where did dengue disease come from?
Dengue is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. Dengue virus is
transmitted by female mosquitoes mainly
of the species Aedes aegypti and, to a lesser extent, Ae. albopictus. These mosquitoes are also vectors of chikungunya, yellow fever and Zika viruses.
How does the first person get dengue?
The dengue virus is spread through a human-to-mosquito-to-human cycle of transmission (Figure 2). Typically, four days after being bit by
an infected Aedes aegypti mosquito
, a person will develop viremia, a condition in which there is a high level of the dengue virus in the blood.
Where is dengue most common?
The disease is common in many popular tourist destinations in
the Caribbean (including Puerto Rico)
, Central and South America, Southeast Asia, and the Pacific Islands. In the United States, local cases and limited spread of dengue does occur periodically in some states with hot, humid climates and Aedes mosquitoes.
Is dengue man made?
But dengue is a disease of urbanisation and human travel. In the words of Suchitra Nimmannitya, a Thai specialist on the disease, the infected Aedes aegypti is “
a man-made mosquito”
.
How long will dengue last?
Symptoms of dengue typically last
2–7 days
. Most people will recover after about a week.
Is dengue transmitted by kissing?
Dengue does not spread by kissing
. Dengue is transmitted only by mosquito bite. Dengue fever cannot be transmitted by coughing, sneezing or touch. It is not contagious and does not spread by kissing.
Does dengue stay in your system forever?
There is no human-to-human dengue fever transmission
. Once a mosquito is infected, it remains infected for its life span.
Can dengue happen again?
Can you get dengue again after suffering from it once?
It is possible to get dengue more than once
. Dengue is caused by a virus which has four different strains. Being affected by one strain offers no protection against the others.
How can dengue be prevented?
Use insect repellent
, wear long-sleeved shirts and long pants, and control mosquitoes inside and outside your home. Each year, an estimated 400 million people are infected with dengue virus. About 100 million get sick.
Which organs are affected by dengue?
During its journey, the dengue virus infects more cells, including those in the lymph nodes and bone marrow,
macrophages in both the spleen and liver
, and monocytes in the blood.
Can dengue cure on its own?
The virus can cause fever, headaches, rashes, and pain throughout the body. Most cases of dengue fever are
mild and go away on their own after about a week
.
How do you confirm dengue?
If an infection is suspected, you will get
a blood test
to check for the dengue virus. During a blood test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial.
Where is dengue fever the worst?
1,346,991 cases of dengue fever have been reported in Latin America between January 2019 and March 2020; 1,530 people have died. The countries with the highest rates are
Nicaragua
(2,271 cases per 100,000 inhabitants), Belize (1,021), Honduras (995.5), and El Salvador (375). Bolivia has reported 7,700 cases.
